121691960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 316008000

約数和(自身を除く): 194316040

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 109, 113, 130, 152, 190, 218, 226, 247, 260, 380, 436, 452, 494, 520, 545, 565, 760, 872, 904, 988, 1090, 1130, 1235, 1417, 1469, 1976, 2071, 2147, 2180, 2260, 2470, 2834, 2938, 4142, 4294, 4360, 4520, 4940, 5668, 5876, 7085, 7345, 8284, 8588, 9880, 10355, 10735, 11336, 11752, 12317, 14170, 14690, 16568, 17176, 20710, 21470, 24634, 26923, 27911, 28340, 29380, 41420, 42940, 49268, 53846, 55822, 56680, 58760, 61585, 82840, 85880, 98536, 107692, 111644, 123170, 134615, 139555, 160121, 215384, 223288, 234023, 246340, 269230, 279110, 320242, 468046, 492680, 538460, 558220, 640484, 800605, 936092, 1076920, 1116440, 1170115, 1280968, 1601210, 1872184, 2340230, 3042299, 3202420, 4680460, 6084598, 6404840, 9360920, 12169196, 15211495, 24338392, 30422990, 60845980, 121691960]

約数ペア:

[(1, 121691960), (2, 60845980), (4, 30422990), (5, 24338392), (8, 15211495), (10, 12169196), (13, 9360920), (19, 6404840), (20, 6084598), (26, 4680460), (38, 3202420), (40, 3042299), (52, 2340230), (65, 1872184), (76, 1601210), (95, 1280968), (104, 1170115), (109, 1116440), (113, 1076920), (130, 936092), (152, 800605), (190, 640484), (218, 558220), (226, 538460), (247, 492680), (260, 468046), (380, 320242), (436, 279110), (452, 269230), (494, 246340), (520, 234023), (545, 223288), (565, 215384), (760, 160121), (872, 139555), (904, 134615), (988, 123170), (1090, 111644), (1130, 107692), (1235, 98536), (1417, 85880), (1469, 82840), (1976, 61585), (2071, 58760), (2147, 56680), (2180, 55822), (2260, 53846), (2470, 49268), (2834, 42940), (2938, 41420), (4142, 29380), (4294, 28340), (4360, 27911), (4520, 26923), (4940, 24634), (5668, 21470), (5876, 20710), (7085, 17176), (7345, 16568), (8284, 14690), (8588, 14170), (9880, 12317), (10355, 11752), (10735, 11336)]