64828920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1433}}^1$

素因数の和:1489

約数の個数: 128

約数和(自身を含む): 216820800

約数和(自身を除く): 151991880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 29, 30, 39, 40, 52, 58, 60, 65, 78, 87, 104, 116, 120, 130, 145, 156, 174, 195, 232, 260, 290, 312, 348, 377, 390, 435, 520, 580, 696, 754, 780, 870, 1131, 1160, 1433, 1508, 1560, 1740, 1885, 2262, 2866, 3016, 3480, 3770, 4299, 4524, 5655, 5732, 7165, 7540, 8598, 9048, 11310, 11464, 14330, 15080, 17196, 18629, 21495, 22620, 28660, 34392, 37258, 41557, 42990, 45240, 55887, 57320, 74516, 83114, 85980, 93145, 111774, 124671, 149032, 166228, 171960, 186290, 207785, 223548, 249342, 279435, 332456, 372580, 415570, 447096, 498684, 540241, 558870, 623355, 745160, 831140, 997368, 1080482, 1117740, 1246710, 1620723, 1662280, 2160964, 2235480, 2493420, 2701205, 3241446, 4321928, 4986840, 5402410, 6482892, 8103615, 10804820, 12965784, 16207230, 21609640, 32414460, 64828920]

約数ペア:

[(1, 64828920), (2, 32414460), (3, 21609640), (4, 16207230), (5, 12965784), (6, 10804820), (8, 8103615), (10, 6482892), (12, 5402410), (13, 4986840), (15, 4321928), (20, 3241446), (24, 2701205), (26, 2493420), (29, 2235480), (30, 2160964), (39, 1662280), (40, 1620723), (52, 1246710), (58, 1117740), (60, 1080482), (65, 997368), (78, 831140), (87, 745160), (104, 623355), (116, 558870), (120, 540241), (130, 498684), (145, 447096), (156, 415570), (174, 372580), (195, 332456), (232, 279435), (260, 249342), (290, 223548), (312, 207785), (348, 186290), (377, 171960), (390, 166228), (435, 149032), (520, 124671), (580, 111774), (696, 93145), (754, 85980), (780, 83114), (870, 74516), (1131, 57320), (1160, 55887), (1433, 45240), (1508, 42990), (1560, 41557), (1740, 37258), (1885, 34392), (2262, 28660), (2866, 22620), (3016, 21495), (3480, 18629), (3770, 17196), (4299, 15080), (4524, 14330), (5655, 11464), (5732, 11310), (7165, 9048), (7540, 8598)]