520714980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{307}}^1\times {\mathrm{349}}^1$

素因数の和:680

約数の個数: 144

約数和(自身を含む): 1648046400

約数和(自身を除く): 1127331420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 307, 324, 349, 405, 486, 540, 614, 698, 810, 921, 972, 1047, 1215, 1228, 1396, 1535, 1620, 1745, 1842, 2094, 2430, 2763, 3070, 3141, 3490, 3684, 4188, 4605, 4860, 5235, 5526, 6140, 6282, 6980, 8289, 9210, 9423, 10470, 11052, 12564, 13815, 15705, 16578, 18420, 18846, 20940, 24867, 27630, 28269, 31410, 33156, 37692, 41445, 47115, 49734, 55260, 56538, 62820, 74601, 82890, 84807, 94230, 99468, 107143, 113076, 124335, 141345, 149202, 165780, 169614, 188460, 214286, 248670, 282690, 298404, 321429, 339228, 373005, 424035, 428572, 497340, 535715, 565380, 642858, 746010, 848070, 964287, 1071430, 1285716, 1492020, 1607145, 1696140, 1928574, 2142860, 2892861, 3214290, 3857148, 4821435, 5785722, 6428580, 8678583, 9642870, 11571444, 14464305, 17357166, 19285740, 26035749, 28928610, 34714332, 43392915, 52071498, 57857220, 86785830, 104142996, 130178745, 173571660, 260357490, 520714980]

約数ペア:

[(1, 520714980), (2, 260357490), (3, 173571660), (4, 130178745), (5, 104142996), (6, 86785830), (9, 57857220), (10, 52071498), (12, 43392915), (15, 34714332), (18, 28928610), (20, 26035749), (27, 19285740), (30, 17357166), (36, 14464305), (45, 11571444), (54, 9642870), (60, 8678583), (81, 6428580), (90, 5785722), (108, 4821435), (135, 3857148), (162, 3214290), (180, 2892861), (243, 2142860), (270, 1928574), (307, 1696140), (324, 1607145), (349, 1492020), (405, 1285716), (486, 1071430), (540, 964287), (614, 848070), (698, 746010), (810, 642858), (921, 565380), (972, 535715), (1047, 497340), (1215, 428572), (1228, 424035), (1396, 373005), (1535, 339228), (1620, 321429), (1745, 298404), (1842, 282690), (2094, 248670), (2430, 214286), (2763, 188460), (3070, 169614), (3141, 165780), (3490, 149202), (3684, 141345), (4188, 124335), (4605, 113076), (4860, 107143), (5235, 99468), (5526, 94230), (6140, 84807), (6282, 82890), (6980, 74601), (8289, 62820), (9210, 56538), (9423, 55260), (10470, 49734), (11052, 47115), (12564, 41445), (13815, 37692), (15705, 33156), (16578, 31410), (18420, 28269), (18846, 27630), (20940, 24867)]