187811580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{881}}^1$

素因数の和:940

約数の個数: 192

約数和(自身を含む): 640120320

約数和(自身を除く): 452308740

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 19, 20, 22, 30, 33, 34, 38, 44, 51, 55, 57, 60, 66, 68, 76, 85, 95, 102, 110, 114, 132, 165, 170, 187, 190, 204, 209, 220, 228, 255, 285, 323, 330, 340, 374, 380, 418, 510, 561, 570, 627, 646, 660, 748, 836, 881, 935, 969, 1020, 1045, 1122, 1140, 1254, 1292, 1615, 1762, 1870, 1938, 2090, 2244, 2508, 2643, 2805, 3135, 3230, 3524, 3553, 3740, 3876, 4180, 4405, 4845, 5286, 5610, 6270, 6460, 7106, 8810, 9690, 9691, 10572, 10659, 11220, 12540, 13215, 14212, 14977, 16739, 17620, 17765, 19380, 19382, 21318, 26430, 29073, 29954, 33478, 35530, 38764, 42636, 44931, 48455, 50217, 52860, 53295, 58146, 59908, 66956, 71060, 74885, 83695, 89862, 96910, 100434, 106590, 116292, 145365, 149770, 164747, 167390, 179724, 184129, 193820, 200868, 213180, 224655, 251085, 284563, 290730, 299540, 329494, 334780, 368258, 449310, 494241, 502170, 552387, 569126, 581460, 658988, 736516, 823735, 853689, 898620, 920645, 988482, 1004340, 1104774, 1138252, 1422815, 1647470, 1707378, 1841290, 1976964, 2209548, 2471205, 2761935, 2845630, 3130193, 3294940, 3414756, 3682580, 4268445, 4942410, 5523870, 5691260, 6260386, 8536890, 9390579, 9884820, 11047740, 12520772, 15650965, 17073780, 18781158, 31301930, 37562316, 46952895, 62603860, 93905790, 187811580]

約数ペア:

[(1, 187811580), (2, 93905790), (3, 62603860), (4, 46952895), (5, 37562316), (6, 31301930), (10, 18781158), (11, 17073780), (12, 15650965), (15, 12520772), (17, 11047740), (19, 9884820), (20, 9390579), (22, 8536890), (30, 6260386), (33, 5691260), (34, 5523870), (38, 4942410), (44, 4268445), (51, 3682580), (55, 3414756), (57, 3294940), (60, 3130193), (66, 2845630), (68, 2761935), (76, 2471205), (85, 2209548), (95, 1976964), (102, 1841290), (110, 1707378), (114, 1647470), (132, 1422815), (165, 1138252), (170, 1104774), (187, 1004340), (190, 988482), (204, 920645), (209, 898620), (220, 853689), (228, 823735), (255, 736516), (285, 658988), (323, 581460), (330, 569126), (340, 552387), (374, 502170), (380, 494241), (418, 449310), (510, 368258), (561, 334780), (570, 329494), (627, 299540), (646, 290730), (660, 284563), (748, 251085), (836, 224655), (881, 213180), (935, 200868), (969, 193820), (1020, 184129), (1045, 179724), (1122, 167390), (1140, 164747), (1254, 149770), (1292, 145365), (1615, 116292), (1762, 106590), (1870, 100434), (1938, 96910), (2090, 89862), (2244, 83695), (2508, 74885), (2643, 71060), (2805, 66956), (3135, 59908), (3230, 58146), (3524, 53295), (3553, 52860), (3740, 50217), (3876, 48455), (4180, 44931), (4405, 42636), (4845, 38764), (5286, 35530), (5610, 33478), (6270, 29954), (6460, 29073), (7106, 26430), (8810, 21318), (9690, 19382), (9691, 19380), (10572, 17765), (10659, 17620), (11220, 16739), (12540, 14977), (13215, 14212)]