127918640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3659}}^1$

素因数の和:3714

約数の個数: 80

約数和(自身を含む): 326764800

約数和(自身を除く): 198846160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 437, 460, 760, 874, 920, 1520, 1748, 1840, 2185, 3496, 3659, 4370, 6992, 7318, 8740, 14636, 17480, 18295, 29272, 34960, 36590, 58544, 69521, 73180, 84157, 139042, 146360, 168314, 278084, 292720, 336628, 347605, 420785, 556168, 673256, 695210, 841570, 1112336, 1346512, 1390420, 1598983, 1683140, 2780840, 3197966, 3366280, 5561680, 6395932, 6732560, 7994915, 12791864, 15989830, 25583728, 31979660, 63959320, 127918640]

約数ペア:

[(1, 127918640), (2, 63959320), (4, 31979660), (5, 25583728), (8, 15989830), (10, 12791864), (16, 7994915), (19, 6732560), (20, 6395932), (23, 5561680), (38, 3366280), (40, 3197966), (46, 2780840), (76, 1683140), (80, 1598983), (92, 1390420), (95, 1346512), (115, 1112336), (152, 841570), (184, 695210), (190, 673256), (230, 556168), (304, 420785), (368, 347605), (380, 336628), (437, 292720), (460, 278084), (760, 168314), (874, 146360), (920, 139042), (1520, 84157), (1748, 73180), (1840, 69521), (2185, 58544), (3496, 36590), (3659, 34960), (4370, 29272), (6992, 18295), (7318, 17480), (8740, 14636)]