28659540

素因数分解:

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

素因数の和:242

約数の個数: 192

約数和(自身を含む): 102735360

約数和(自身を除く): 74075820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 29, 30, 35, 39, 42, 52, 58, 60, 65, 70, 78, 84, 87, 91, 105, 116, 130, 140, 145, 156, 174, 181, 182, 195, 203, 210, 260, 273, 290, 348, 362, 364, 377, 390, 406, 420, 435, 455, 543, 546, 580, 609, 724, 754, 780, 812, 870, 905, 910, 1015, 1086, 1092, 1131, 1218, 1267, 1365, 1508, 1740, 1810, 1820, 1885, 2030, 2172, 2262, 2353, 2436, 2534, 2639, 2715, 2730, 3045, 3620, 3770, 3801, 4060, 4524, 4706, 5068, 5249, 5278, 5430, 5460, 5655, 6090, 6335, 7059, 7540, 7602, 7917, 9412, 10498, 10556, 10860, 11310, 11765, 12180, 12670, 13195, 14118, 15204, 15747, 15834, 16471, 19005, 20996, 22620, 23530, 25340, 26245, 26390, 28236, 31494, 31668, 32942, 35295, 36743, 38010, 39585, 47060, 49413, 52490, 52780, 62988, 65884, 68237, 70590, 73486, 76020, 78735, 79170, 82355, 98826, 104980, 110229, 136474, 141180, 146972, 157470, 158340, 164710, 183715, 197652, 204711, 220458, 247065, 272948, 314940, 329420, 341185, 367430, 409422, 440916, 477659, 494130, 551145, 682370, 734860, 818844, 955318, 988260, 1023555, 1102290, 1364740, 1432977, 1910636, 2047110, 2204580, 2388295, 2865954, 4094220, 4776590, 5731908, 7164885, 9553180, 14329770, 28659540]

約数ペア:

[(1, 28659540), (2, 14329770), (3, 9553180), (4, 7164885), (5, 5731908), (6, 4776590), (7, 4094220), (10, 2865954), (12, 2388295), (13, 2204580), (14, 2047110), (15, 1910636), (20, 1432977), (21, 1364740), (26, 1102290), (28, 1023555), (29, 988260), (30, 955318), (35, 818844), (39, 734860), (42, 682370), (52, 551145), (58, 494130), (60, 477659), (65, 440916), (70, 409422), (78, 367430), (84, 341185), (87, 329420), (91, 314940), (105, 272948), (116, 247065), (130, 220458), (140, 204711), (145, 197652), (156, 183715), (174, 164710), (181, 158340), (182, 157470), (195, 146972), (203, 141180), (210, 136474), (260, 110229), (273, 104980), (290, 98826), (348, 82355), (362, 79170), (364, 78735), (377, 76020), (390, 73486), (406, 70590), (420, 68237), (435, 65884), (455, 62988), (543, 52780), (546, 52490), (580, 49413), (609, 47060), (724, 39585), (754, 38010), (780, 36743), (812, 35295), (870, 32942), (905, 31668), (910, 31494), (1015, 28236), (1086, 26390), (1092, 26245), (1131, 25340), (1218, 23530), (1267, 22620), (1365, 20996), (1508, 19005), (1740, 16471), (1810, 15834), (1820, 15747), (1885, 15204), (2030, 14118), (2172, 13195), (2262, 12670), (2353, 12180), (2436, 11765), (2534, 11310), (2639, 10860), (2715, 10556), (2730, 10498), (3045, 9412), (3620, 7917), (3770, 7602), (3801, 7540), (4060, 7059), (4524, 6335), (4706, 6090), (5068, 5655), (5249, 5460), (5278, 5430)]