257935860

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:248

約数の個数: 384

約数和(自身を含む): 1027353600

約数和(自身を除く): 769417740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 29, 30, 35, 36, 39, 42, 45, 52, 54, 58, 60, 63, 65, 70, 78, 84, 87, 90, 91, 105, 108, 116, 117, 126, 130, 135, 140, 145, 156, 174, 180, 181, 182, 189, 195, 203, 210, 234, 252, 260, 261, 270, 273, 290, 315, 348, 351, 362, 364, 377, 378, 390, 406, 420, 435, 455, 468, 522, 540, 543, 546, 580, 585, 609, 630, 702, 724, 754, 756, 780, 783, 812, 819, 870, 905, 910, 945, 1015, 1044, 1086, 1092, 1131, 1170, 1218, 1260, 1267, 1305, 1365, 1404, 1508, 1566, 1629, 1638, 1740, 1755, 1810, 1820, 1827, 1885, 1890, 2030, 2172, 2262, 2340, 2353, 2436, 2457, 2534, 2610, 2639, 2715, 2730, 3045, 3132, 3258, 3276, 3393, 3510, 3620, 3654, 3770, 3780, 3801, 3915, 4060, 4095, 4524, 4706, 4887, 4914, 5068, 5220, 5249, 5278, 5430, 5460, 5481, 5655, 6090, 6335, 6516, 6786, 7020, 7059, 7308, 7540, 7602, 7830, 7917, 8145, 8190, 9135, 9412, 9774, 9828, 10179, 10498, 10556, 10860, 10962, 11310, 11403, 11765, 12180, 12285, 12670, 13195, 13572, 14118, 15204, 15660, 15747, 15834, 16290, 16380, 16471, 16965, 18270, 19005, 19548, 20358, 20996, 21177, 21924, 22620, 22806, 23530, 23751, 24435, 24570, 25340, 26245, 26390, 27405, 28236, 31494, 31668, 32580, 32942, 33930, 34209, 35295, 36540, 36743, 38010, 39585, 40716, 42354, 45612, 47060, 47241, 47502, 48870, 49140, 49413, 50895, 52490, 52780, 54810, 57015, 62988, 63531, 65884, 67860, 68237, 68418, 70590, 71253, 73486, 76020, 78735, 79170, 82355, 84708, 94482, 95004, 97740, 98826, 101790, 104980, 105885, 109620, 110229, 114030, 118755, 127062, 136474, 136836, 141180, 141723, 142506, 146972, 148239, 157470, 158340, 164710, 171045, 183715, 188964, 197652, 203580, 204711, 211770, 220458, 228060, 236205, 237510, 247065, 254124, 272948, 283446, 285012, 296478, 314940, 317655, 329420, 330687, 341185, 342090, 356265, 367430, 409422, 423540, 440916, 444717, 472410, 475020, 477659, 494130, 551145, 566892, 592956, 614133, 635310, 661374, 682370, 684180, 708615, 712530, 734860, 741195, 818844, 889434, 944820, 955318, 988260, 992061, 1023555, 1102290, 1228266, 1270620, 1322748, 1364740, 1417230, 1425060, 1432977, 1482390, 1653435, 1778868, 1842399, 1910636, 1984122, 2047110, 2204580, 2223585, 2388295, 2456532, 2834460, 2865954, 2964780, 3070665, 3306870, 3684798, 3968244, 4094220, 4298931, 4447170, 4776590, 4960305, 5731908, 6141330, 6613740, 7164885, 7369596, 8597862, 8894340, 9211995, 9553180, 9920610, 12282660, 12896793, 14329770, 17195724, 18423990, 19841220, 21494655, 25793586, 28659540, 36847980, 42989310, 51587172, 64483965, 85978620, 128967930, 257935860]

約数ペア:

[(1, 257935860), (2, 128967930), (3, 85978620), (4, 64483965), (5, 51587172), (6, 42989310), (7, 36847980), (9, 28659540), (10, 25793586), (12, 21494655), (13, 19841220), (14, 18423990), (15, 17195724), (18, 14329770), (20, 12896793), (21, 12282660), (26, 9920610), (27, 9553180), (28, 9211995), (29, 8894340), (30, 8597862), (35, 7369596), (36, 7164885), (39, 6613740), (42, 6141330), (45, 5731908), (52, 4960305), (54, 4776590), (58, 4447170), (60, 4298931), (63, 4094220), (65, 3968244), (70, 3684798), (78, 3306870), (84, 3070665), (87, 2964780), (90, 2865954), (91, 2834460), (105, 2456532), (108, 2388295), (116, 2223585), (117, 2204580), (126, 2047110), (130, 1984122), (135, 1910636), (140, 1842399), (145, 1778868), (156, 1653435), (174, 1482390), (180, 1432977), (181, 1425060), (182, 1417230), (189, 1364740), (195, 1322748), (203, 1270620), (210, 1228266), (234, 1102290), (252, 1023555), (260, 992061), (261, 988260), (270, 955318), (273, 944820), (290, 889434), (315, 818844), (348, 741195), (351, 734860), (362, 712530), (364, 708615), (377, 684180), (378, 682370), (390, 661374), (406, 635310), (420, 614133), (435, 592956), (455, 566892), (468, 551145), (522, 494130), (540, 477659), (543, 475020), (546, 472410), (580, 444717), (585, 440916), (609, 423540), (630, 409422), (702, 367430), (724, 356265), (754, 342090), (756, 341185), (780, 330687), (783, 329420), (812, 317655), (819, 314940), (870, 296478), (905, 285012), (910, 283446), (945, 272948), (1015, 254124), (1044, 247065), (1086, 237510), (1092, 236205), (1131, 228060), (1170, 220458), (1218, 211770), (1260, 204711), (1267, 203580), (1305, 197652), (1365, 188964), (1404, 183715), (1508, 171045), (1566, 164710), (1629, 158340), (1638, 157470), (1740, 148239), (1755, 146972), (1810, 142506), (1820, 141723), (1827, 141180), (1885, 136836), (1890, 136474), (2030, 127062), (2172, 118755), (2262, 114030), (2340, 110229), (2353, 109620), (2436, 105885), (2457, 104980), (2534, 101790), (2610, 98826), (2639, 97740), (2715, 95004), (2730, 94482), (3045, 84708), (3132, 82355), (3258, 79170), (3276, 78735), (3393, 76020), (3510, 73486), (3620, 71253), (3654, 70590), (3770, 68418), (3780, 68237), (3801, 67860), (3915, 65884), (4060, 63531), (4095, 62988), (4524, 57015), (4706, 54810), (4887, 52780), (4914, 52490), (5068, 50895), (5220, 49413), (5249, 49140), (5278, 48870), (5430, 47502), (5460, 47241), (5481, 47060), (5655, 45612), (6090, 42354), (6335, 40716), (6516, 39585), (6786, 38010), (7020, 36743), (7059, 36540), (7308, 35295), (7540, 34209), (7602, 33930), (7830, 32942), (7917, 32580), (8145, 31668), (8190, 31494), (9135, 28236), (9412, 27405), (9774, 26390), (9828, 26245), (10179, 25340), (10498, 24570), (10556, 24435), (10860, 23751), (10962, 23530), (11310, 22806), (11403, 22620), (11765, 21924), (12180, 21177), (12285, 20996), (12670, 20358), (13195, 19548), (13572, 19005), (14118, 18270), (15204, 16965), (15660, 16471), (15747, 16380), (15834, 16290)]