263380920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3271}}^1$

素因数の和:3357

約数の個数: 128

約数和(自身を含む): 876372480

約数和(自身を除く): 612991560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 61, 66, 88, 110, 120, 122, 132, 165, 183, 220, 244, 264, 305, 330, 366, 440, 488, 610, 660, 671, 732, 915, 1220, 1320, 1342, 1464, 1830, 2013, 2440, 2684, 3271, 3355, 3660, 4026, 5368, 6542, 6710, 7320, 8052, 9813, 10065, 13084, 13420, 16104, 16355, 19626, 20130, 26168, 26840, 32710, 35981, 39252, 40260, 49065, 65420, 71962, 78504, 80520, 98130, 107943, 130840, 143924, 179905, 196260, 199531, 215886, 287848, 359810, 392520, 399062, 431772, 539715, 598593, 719620, 798124, 863544, 997655, 1079430, 1197186, 1439240, 1596248, 1995310, 2158860, 2194841, 2394372, 2992965, 3990620, 4317720, 4389682, 4788744, 5985930, 6584523, 7981240, 8779364, 10974205, 11971860, 13169046, 17558728, 21948410, 23943720, 26338092, 32922615, 43896820, 52676184, 65845230, 87793640, 131690460, 263380920]

約数ペア:

[(1, 263380920), (2, 131690460), (3, 87793640), (4, 65845230), (5, 52676184), (6, 43896820), (8, 32922615), (10, 26338092), (11, 23943720), (12, 21948410), (15, 17558728), (20, 13169046), (22, 11971860), (24, 10974205), (30, 8779364), (33, 7981240), (40, 6584523), (44, 5985930), (55, 4788744), (60, 4389682), (61, 4317720), (66, 3990620), (88, 2992965), (110, 2394372), (120, 2194841), (122, 2158860), (132, 1995310), (165, 1596248), (183, 1439240), (220, 1197186), (244, 1079430), (264, 997655), (305, 863544), (330, 798124), (366, 719620), (440, 598593), (488, 539715), (610, 431772), (660, 399062), (671, 392520), (732, 359810), (915, 287848), (1220, 215886), (1320, 199531), (1342, 196260), (1464, 179905), (1830, 143924), (2013, 130840), (2440, 107943), (2684, 98130), (3271, 80520), (3355, 78504), (3660, 71962), (4026, 65420), (5368, 49065), (6542, 40260), (6710, 39252), (7320, 35981), (8052, 32710), (9813, 26840), (10065, 26168), (13084, 20130), (13420, 19626), (16104, 16355)]