247908780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1303}}^1$

素因数の和:1476

約数の個数: 144

約数和(自身を含む): 865772544

約数和(自身を除く): 617863764

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 151, 180, 210, 252, 302, 315, 420, 453, 604, 630, 755, 906, 1057, 1260, 1303, 1359, 1510, 1812, 2114, 2265, 2606, 2718, 3020, 3171, 3909, 4228, 4530, 5212, 5285, 5436, 6342, 6515, 6795, 7818, 9060, 9121, 9513, 10570, 11727, 12684, 13030, 13590, 15636, 15855, 18242, 19026, 19545, 21140, 23454, 26060, 27180, 27363, 31710, 36484, 38052, 39090, 45605, 46908, 47565, 54726, 58635, 63420, 78180, 82089, 91210, 95130, 109452, 117270, 136815, 164178, 182420, 190260, 196753, 234540, 273630, 328356, 393506, 410445, 547260, 590259, 787012, 820890, 983765, 1180518, 1377271, 1641780, 1770777, 1967530, 2361036, 2754542, 2951295, 3541554, 3935060, 4131813, 5509084, 5902590, 6886355, 7083108, 8263626, 8853885, 11805180, 12395439, 13772710, 16527252, 17707770, 20659065, 24790878, 27545420, 35415540, 41318130, 49581756, 61977195, 82636260, 123954390, 247908780]

約数ペア:

[(1, 247908780), (2, 123954390), (3, 82636260), (4, 61977195), (5, 49581756), (6, 41318130), (7, 35415540), (9, 27545420), (10, 24790878), (12, 20659065), (14, 17707770), (15, 16527252), (18, 13772710), (20, 12395439), (21, 11805180), (28, 8853885), (30, 8263626), (35, 7083108), (36, 6886355), (42, 5902590), (45, 5509084), (60, 4131813), (63, 3935060), (70, 3541554), (84, 2951295), (90, 2754542), (105, 2361036), (126, 1967530), (140, 1770777), (151, 1641780), (180, 1377271), (210, 1180518), (252, 983765), (302, 820890), (315, 787012), (420, 590259), (453, 547260), (604, 410445), (630, 393506), (755, 328356), (906, 273630), (1057, 234540), (1260, 196753), (1303, 190260), (1359, 182420), (1510, 164178), (1812, 136815), (2114, 117270), (2265, 109452), (2606, 95130), (2718, 91210), (3020, 82089), (3171, 78180), (3909, 63420), (4228, 58635), (4530, 54726), (5212, 47565), (5285, 46908), (5436, 45605), (6342, 39090), (6515, 38052), (6795, 36484), (7818, 31710), (9060, 27363), (9121, 27180), (9513, 26060), (10570, 23454), (11727, 21140), (12684, 19545), (13030, 19026), (13590, 18242), (15636, 15855)]