255655260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:281

約数の個数: 288

約数和(自身を含む): 953971200

約数和(自身を除く): 698315940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 59, 60, 63, 70, 76, 84, 90, 95, 105, 114, 118, 126, 133, 140, 171, 177, 180, 181, 190, 210, 228, 236, 252, 266, 285, 295, 315, 342, 354, 362, 380, 399, 413, 420, 531, 532, 543, 570, 590, 630, 665, 684, 708, 724, 798, 826, 855, 885, 905, 1062, 1086, 1121, 1140, 1180, 1197, 1239, 1260, 1267, 1330, 1596, 1629, 1652, 1710, 1770, 1810, 1995, 2065, 2124, 2172, 2242, 2394, 2478, 2534, 2655, 2660, 2715, 3258, 3363, 3420, 3439, 3540, 3620, 3717, 3801, 3990, 4130, 4484, 4788, 4956, 5068, 5310, 5430, 5605, 5985, 6195, 6335, 6516, 6726, 6878, 7434, 7602, 7847, 7980, 8145, 8260, 10089, 10317, 10620, 10679, 10860, 11210, 11403, 11970, 12390, 12670, 13452, 13756, 14868, 15204, 15694, 16290, 16815, 17195, 18585, 19005, 20178, 20634, 21358, 22420, 22806, 23541, 23940, 24073, 24780, 25340, 30951, 31388, 32037, 32580, 33630, 34390, 37170, 38010, 39235, 40356, 41268, 42716, 45612, 47082, 48146, 50445, 51585, 53395, 57015, 61902, 64074, 67260, 68780, 70623, 72219, 74340, 74753, 76020, 78470, 94164, 96111, 96292, 100890, 103170, 106790, 114030, 117705, 120365, 123804, 128148, 141246, 144438, 149506, 154755, 156940, 160185, 192222, 201780, 202901, 206340, 213580, 216657, 224259, 228060, 235410, 240730, 282492, 288876, 299012, 309510, 320370, 353115, 361095, 373765, 384444, 405802, 433314, 448518, 470820, 480555, 481460, 608703, 619020, 640740, 672777, 706230, 722190, 747530, 811604, 866628, 897036, 961110, 1014505, 1083285, 1121295, 1217406, 1345554, 1412460, 1420307, 1444380, 1495060, 1826109, 1922220, 2029010, 2166570, 2242590, 2434812, 2691108, 2840614, 3043515, 3363885, 3652218, 4058020, 4260921, 4333140, 4485180, 5681228, 6087030, 6727770, 7101535, 7304436, 8521842, 9130545, 12174060, 12782763, 13455540, 14203070, 17043684, 18261090, 21304605, 25565526, 28406140, 36522180, 42609210, 51131052, 63913815, 85218420, 127827630, 255655260]

約数ペア:

[(1, 255655260), (2, 127827630), (3, 85218420), (4, 63913815), (5, 51131052), (6, 42609210), (7, 36522180), (9, 28406140), (10, 25565526), (12, 21304605), (14, 18261090), (15, 17043684), (18, 14203070), (19, 13455540), (20, 12782763), (21, 12174060), (28, 9130545), (30, 8521842), (35, 7304436), (36, 7101535), (38, 6727770), (42, 6087030), (45, 5681228), (57, 4485180), (59, 4333140), (60, 4260921), (63, 4058020), (70, 3652218), (76, 3363885), (84, 3043515), (90, 2840614), (95, 2691108), (105, 2434812), (114, 2242590), (118, 2166570), (126, 2029010), (133, 1922220), (140, 1826109), (171, 1495060), (177, 1444380), (180, 1420307), (181, 1412460), (190, 1345554), (210, 1217406), (228, 1121295), (236, 1083285), (252, 1014505), (266, 961110), (285, 897036), (295, 866628), (315, 811604), (342, 747530), (354, 722190), (362, 706230), (380, 672777), (399, 640740), (413, 619020), (420, 608703), (531, 481460), (532, 480555), (543, 470820), (570, 448518), (590, 433314), (630, 405802), (665, 384444), (684, 373765), (708, 361095), (724, 353115), (798, 320370), (826, 309510), (855, 299012), (885, 288876), (905, 282492), (1062, 240730), (1086, 235410), (1121, 228060), (1140, 224259), (1180, 216657), (1197, 213580), (1239, 206340), (1260, 202901), (1267, 201780), (1330, 192222), (1596, 160185), (1629, 156940), (1652, 154755), (1710, 149506), (1770, 144438), (1810, 141246), (1995, 128148), (2065, 123804), (2124, 120365), (2172, 117705), (2242, 114030), (2394, 106790), (2478, 103170), (2534, 100890), (2655, 96292), (2660, 96111), (2715, 94164), (3258, 78470), (3363, 76020), (3420, 74753), (3439, 74340), (3540, 72219), (3620, 70623), (3717, 68780), (3801, 67260), (3990, 64074), (4130, 61902), (4484, 57015), (4788, 53395), (4956, 51585), (5068, 50445), (5310, 48146), (5430, 47082), (5605, 45612), (5985, 42716), (6195, 41268), (6335, 40356), (6516, 39235), (6726, 38010), (6878, 37170), (7434, 34390), (7602, 33630), (7847, 32580), (7980, 32037), (8145, 31388), (8260, 30951), (10089, 25340), (10317, 24780), (10620, 24073), (10679, 23940), (10860, 23541), (11210, 22806), (11403, 22420), (11970, 21358), (12390, 20634), (12670, 20178), (13452, 19005), (13756, 18585), (14868, 17195), (15204, 16815), (15694, 16290)]