206841720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2473}}^1$

素因数の和:2545

約数の個数: 128

約数和(自身を含む): 673323840

約数和(自身を除く): 466482120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 41, 51, 60, 68, 82, 85, 102, 120, 123, 136, 164, 170, 204, 205, 246, 255, 328, 340, 408, 410, 492, 510, 615, 680, 697, 820, 984, 1020, 1230, 1394, 1640, 2040, 2091, 2460, 2473, 2788, 3485, 4182, 4920, 4946, 5576, 6970, 7419, 8364, 9892, 10455, 12365, 13940, 14838, 16728, 19784, 20910, 24730, 27880, 29676, 37095, 41820, 42041, 49460, 59352, 74190, 83640, 84082, 98920, 101393, 126123, 148380, 168164, 202786, 210205, 252246, 296760, 304179, 336328, 405572, 420410, 504492, 506965, 608358, 630615, 811144, 840820, 1008984, 1013930, 1216716, 1261230, 1520895, 1681640, 1723681, 2027860, 2433432, 2522460, 3041790, 3447362, 4055720, 5044920, 5171043, 6083580, 6894724, 8618405, 10342086, 12167160, 13789448, 17236810, 20684172, 25855215, 34473620, 41368344, 51710430, 68947240, 103420860, 206841720]

約数ペア:

[(1, 206841720), (2, 103420860), (3, 68947240), (4, 51710430), (5, 41368344), (6, 34473620), (8, 25855215), (10, 20684172), (12, 17236810), (15, 13789448), (17, 12167160), (20, 10342086), (24, 8618405), (30, 6894724), (34, 6083580), (40, 5171043), (41, 5044920), (51, 4055720), (60, 3447362), (68, 3041790), (82, 2522460), (85, 2433432), (102, 2027860), (120, 1723681), (123, 1681640), (136, 1520895), (164, 1261230), (170, 1216716), (204, 1013930), (205, 1008984), (246, 840820), (255, 811144), (328, 630615), (340, 608358), (408, 506965), (410, 504492), (492, 420410), (510, 405572), (615, 336328), (680, 304179), (697, 296760), (820, 252246), (984, 210205), (1020, 202786), (1230, 168164), (1394, 148380), (1640, 126123), (2040, 101393), (2091, 98920), (2460, 84082), (2473, 83640), (2788, 74190), (3485, 59352), (4182, 49460), (4920, 42041), (4946, 41820), (5576, 37095), (6970, 29676), (7419, 27880), (8364, 24730), (9892, 20910), (10455, 19784), (12365, 16728), (13940, 14838)]