15704997880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{20959}}^1$

素因数の和:21125

約数の個数: 128

約数和(自身を含む): 41832806400

約数和(自身を除く): 26127808520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 131, 143, 220, 260, 262, 286, 440, 520, 524, 572, 655, 715, 1048, 1144, 1310, 1430, 1441, 1703, 2620, 2860, 2882, 3406, 5240, 5720, 5764, 6812, 7205, 8515, 11528, 13624, 14410, 17030, 18733, 20959, 28820, 34060, 37466, 41918, 57640, 68120, 74932, 83836, 93665, 104795, 149864, 167672, 187330, 209590, 230549, 272467, 374660, 419180, 461098, 544934, 749320, 838360, 922196, 1089868, 1152745, 1362335, 1844392, 2179736, 2305490, 2724670, 2745629, 2997137, 4610980, 5449340, 5491258, 5994274, 9221960, 10898680, 10982516, 11988548, 13728145, 14985685, 21965032, 23977096, 27456290, 29971370, 30201919, 35693177, 54912580, 59942740, 60403838, 71386354, 109825160, 119885480, 120807676, 142772708, 151009595, 178465885, 241615352, 285545416, 302019190, 356931770, 392624947, 604038380, 713863540, 785249894, 1208076760, 1427727080, 1570499788, 1963124735, 3140999576, 3926249470, 7852498940, 15704997880]

約数ペア:

[(1, 15704997880), (2, 7852498940), (4, 3926249470), (5, 3140999576), (8, 1963124735), (10, 1570499788), (11, 1427727080), (13, 1208076760), (20, 785249894), (22, 713863540), (26, 604038380), (40, 392624947), (44, 356931770), (52, 302019190), (55, 285545416), (65, 241615352), (88, 178465885), (104, 151009595), (110, 142772708), (130, 120807676), (131, 119885480), (143, 109825160), (220, 71386354), (260, 60403838), (262, 59942740), (286, 54912580), (440, 35693177), (520, 30201919), (524, 29971370), (572, 27456290), (655, 23977096), (715, 21965032), (1048, 14985685), (1144, 13728145), (1310, 11988548), (1430, 10982516), (1441, 10898680), (1703, 9221960), (2620, 5994274), (2860, 5491258), (2882, 5449340), (3406, 4610980), (5240, 2997137), (5720, 2745629), (5764, 2724670), (6812, 2305490), (7205, 2179736), (8515, 1844392), (11528, 1362335), (13624, 1152745), (14410, 1089868), (17030, 922196), (18733, 838360), (20959, 749320), (28820, 544934), (34060, 461098), (37466, 419180), (41918, 374660), (57640, 272467), (68120, 230549), (74932, 209590), (83836, 187330), (93665, 167672), (104795, 149864)]