255787440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{883}}^1$

素因数の和:987

約数の個数: 160

約数和(自身を含む): 852374016

約数和(自身を除く): 596586576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 71, 80, 85, 102, 120, 136, 142, 170, 204, 213, 240, 255, 272, 284, 340, 355, 408, 426, 510, 568, 680, 710, 816, 852, 883, 1020, 1065, 1136, 1207, 1360, 1420, 1704, 1766, 2040, 2130, 2414, 2649, 2840, 3408, 3532, 3621, 4080, 4260, 4415, 4828, 5298, 5680, 6035, 7064, 7242, 8520, 8830, 9656, 10596, 12070, 13245, 14128, 14484, 15011, 17040, 17660, 18105, 19312, 21192, 24140, 26490, 28968, 30022, 35320, 36210, 42384, 45033, 48280, 52980, 57936, 60044, 62693, 70640, 72420, 75055, 90066, 96560, 105960, 120088, 125386, 144840, 150110, 180132, 188079, 211920, 225165, 240176, 250772, 289680, 300220, 313465, 360264, 376158, 450330, 501544, 600440, 626930, 720528, 752316, 900660, 940395, 1003088, 1065781, 1200880, 1253860, 1504632, 1801320, 1880790, 2131562, 2507720, 3009264, 3197343, 3602640, 3761580, 4263124, 5015440, 5328905, 6394686, 7523160, 8526248, 10657810, 12789372, 15046320, 15986715, 17052496, 21315620, 25578744, 31973430, 42631240, 51157488, 63946860, 85262480, 127893720, 255787440]

約数ペア:

[(1, 255787440), (2, 127893720), (3, 85262480), (4, 63946860), (5, 51157488), (6, 42631240), (8, 31973430), (10, 25578744), (12, 21315620), (15, 17052496), (16, 15986715), (17, 15046320), (20, 12789372), (24, 10657810), (30, 8526248), (34, 7523160), (40, 6394686), (48, 5328905), (51, 5015440), (60, 4263124), (68, 3761580), (71, 3602640), (80, 3197343), (85, 3009264), (102, 2507720), (120, 2131562), (136, 1880790), (142, 1801320), (170, 1504632), (204, 1253860), (213, 1200880), (240, 1065781), (255, 1003088), (272, 940395), (284, 900660), (340, 752316), (355, 720528), (408, 626930), (426, 600440), (510, 501544), (568, 450330), (680, 376158), (710, 360264), (816, 313465), (852, 300220), (883, 289680), (1020, 250772), (1065, 240176), (1136, 225165), (1207, 211920), (1360, 188079), (1420, 180132), (1704, 150110), (1766, 144840), (2040, 125386), (2130, 120088), (2414, 105960), (2649, 96560), (2840, 90066), (3408, 75055), (3532, 72420), (3621, 70640), (4080, 62693), (4260, 60044), (4415, 57936), (4828, 52980), (5298, 48280), (5680, 45033), (6035, 42384), (7064, 36210), (7242, 35320), (8520, 30022), (8830, 28968), (9656, 26490), (10596, 24140), (12070, 21192), (13245, 19312), (14128, 18105), (14484, 17660), (15011, 17040)]