85218420

素因数分解:

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

素因数の和:278

約数の個数: 192

約数和(自身を含む): 293529600

約数和(自身を除く): 208311180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 59, 60, 70, 76, 84, 95, 105, 114, 118, 133, 140, 177, 181, 190, 210, 228, 236, 266, 285, 295, 354, 362, 380, 399, 413, 420, 532, 543, 570, 590, 665, 708, 724, 798, 826, 885, 905, 1086, 1121, 1140, 1180, 1239, 1267, 1330, 1596, 1652, 1770, 1810, 1995, 2065, 2172, 2242, 2478, 2534, 2660, 2715, 3363, 3439, 3540, 3620, 3801, 3990, 4130, 4484, 4956, 5068, 5430, 5605, 6195, 6335, 6726, 6878, 7602, 7847, 7980, 8260, 10317, 10679, 10860, 11210, 12390, 12670, 13452, 13756, 15204, 15694, 16815, 17195, 19005, 20634, 21358, 22420, 23541, 24073, 24780, 25340, 31388, 32037, 33630, 34390, 38010, 39235, 41268, 42716, 47082, 48146, 51585, 53395, 64074, 67260, 68780, 72219, 74753, 76020, 78470, 94164, 96292, 103170, 106790, 117705, 120365, 128148, 144438, 149506, 156940, 160185, 202901, 206340, 213580, 224259, 235410, 240730, 288876, 299012, 320370, 361095, 373765, 405802, 448518, 470820, 481460, 608703, 640740, 722190, 747530, 811604, 897036, 1014505, 1121295, 1217406, 1420307, 1444380, 1495060, 2029010, 2242590, 2434812, 2840614, 3043515, 4058020, 4260921, 4485180, 5681228, 6087030, 7101535, 8521842, 12174060, 14203070, 17043684, 21304605, 28406140, 42609210, 85218420]

約数ペア:

[(1, 85218420), (2, 42609210), (3, 28406140), (4, 21304605), (5, 17043684), (6, 14203070), (7, 12174060), (10, 8521842), (12, 7101535), (14, 6087030), (15, 5681228), (19, 4485180), (20, 4260921), (21, 4058020), (28, 3043515), (30, 2840614), (35, 2434812), (38, 2242590), (42, 2029010), (57, 1495060), (59, 1444380), (60, 1420307), (70, 1217406), (76, 1121295), (84, 1014505), (95, 897036), (105, 811604), (114, 747530), (118, 722190), (133, 640740), (140, 608703), (177, 481460), (181, 470820), (190, 448518), (210, 405802), (228, 373765), (236, 361095), (266, 320370), (285, 299012), (295, 288876), (354, 240730), (362, 235410), (380, 224259), (399, 213580), (413, 206340), (420, 202901), (532, 160185), (543, 156940), (570, 149506), (590, 144438), (665, 128148), (708, 120365), (724, 117705), (798, 106790), (826, 103170), (885, 96292), (905, 94164), (1086, 78470), (1121, 76020), (1140, 74753), (1180, 72219), (1239, 68780), (1267, 67260), (1330, 64074), (1596, 53395), (1652, 51585), (1770, 48146), (1810, 47082), (1995, 42716), (2065, 41268), (2172, 39235), (2242, 38010), (2478, 34390), (2534, 33630), (2660, 32037), (2715, 31388), (3363, 25340), (3439, 24780), (3540, 24073), (3620, 23541), (3801, 22420), (3990, 21358), (4130, 20634), (4484, 19005), (4956, 17195), (5068, 16815), (5430, 15694), (5605, 15204), (6195, 13756), (6335, 13452), (6726, 12670), (6878, 12390), (7602, 11210), (7847, 10860), (7980, 10679), (8260, 10317)]