18128800

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:111

約数の個数: 144

約数和(自身を含む): 49496832

約数和(自身を除く): 31368032

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 32, 34, 40, 43, 50, 62, 68, 80, 85, 86, 100, 124, 136, 155, 160, 170, 172, 200, 215, 248, 272, 310, 340, 344, 400, 425, 430, 496, 527, 544, 620, 680, 688, 731, 775, 800, 850, 860, 992, 1054, 1075, 1240, 1333, 1360, 1376, 1462, 1550, 1700, 1720, 2108, 2150, 2480, 2635, 2666, 2720, 2924, 3100, 3400, 3440, 3655, 4216, 4300, 4960, 5270, 5332, 5848, 6200, 6665, 6800, 6880, 7310, 8432, 8600, 10540, 10664, 11696, 12400, 13175, 13330, 13600, 14620, 16864, 17200, 18275, 21080, 21328, 22661, 23392, 24800, 26350, 26660, 29240, 33325, 34400, 36550, 42160, 42656, 45322, 52700, 53320, 58480, 66650, 73100, 84320, 90644, 105400, 106640, 113305, 116960, 133300, 146200, 181288, 210800, 213280, 226610, 266600, 292400, 362576, 421600, 453220, 533200, 566525, 584800, 725152, 906440, 1066400, 1133050, 1812880, 2266100, 3625760, 4532200, 9064400, 18128800]

約数ペア:

[(1, 18128800), (2, 9064400), (4, 4532200), (5, 3625760), (8, 2266100), (10, 1812880), (16, 1133050), (17, 1066400), (20, 906440), (25, 725152), (31, 584800), (32, 566525), (34, 533200), (40, 453220), (43, 421600), (50, 362576), (62, 292400), (68, 266600), (80, 226610), (85, 213280), (86, 210800), (100, 181288), (124, 146200), (136, 133300), (155, 116960), (160, 113305), (170, 106640), (172, 105400), (200, 90644), (215, 84320), (248, 73100), (272, 66650), (310, 58480), (340, 53320), (344, 52700), (400, 45322), (425, 42656), (430, 42160), (496, 36550), (527, 34400), (544, 33325), (620, 29240), (680, 26660), (688, 26350), (731, 24800), (775, 23392), (800, 22661), (850, 21328), (860, 21080), (992, 18275), (1054, 17200), (1075, 16864), (1240, 14620), (1333, 13600), (1360, 13330), (1376, 13175), (1462, 12400), (1550, 11696), (1700, 10664), (1720, 10540), (2108, 8600), (2150, 8432), (2480, 7310), (2635, 6880), (2666, 6800), (2720, 6665), (2924, 6200), (3100, 5848), (3400, 5332), (3440, 5270), (3655, 4960), (4216, 4300)]