1388971920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{3217}}^1$

素因数の和:3497

約数の個数: 160

約数和(自身を含む): 4941612288

約数和(自身を除く): 3552640368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 257, 280, 336, 420, 514, 560, 771, 840, 1028, 1285, 1542, 1680, 1799, 2056, 2570, 3084, 3217, 3598, 3855, 4112, 5140, 5397, 6168, 6434, 7196, 7710, 8995, 9651, 10280, 10794, 12336, 12868, 14392, 15420, 16085, 17990, 19302, 20560, 21588, 22519, 25736, 26985, 28784, 30840, 32170, 35980, 38604, 43176, 45038, 48255, 51472, 53970, 61680, 64340, 67557, 71960, 77208, 86352, 90076, 96510, 107940, 112595, 128680, 135114, 143920, 154416, 180152, 193020, 215880, 225190, 257360, 270228, 337785, 360304, 386040, 431760, 450380, 540456, 675570, 772080, 826769, 900760, 1080912, 1351140, 1653538, 1801520, 2480307, 2702280, 3307076, 4133845, 4960614, 5404560, 5787383, 6614152, 8267690, 9921228, 11574766, 12401535, 13228304, 16535380, 17362149, 19842456, 23149532, 24803070, 28936915, 33070760, 34724298, 39684912, 46299064, 49606140, 57873830, 66141520, 69448596, 86810745, 92598128, 99212280, 115747660, 138897192, 173621490, 198424560, 231495320, 277794384, 347242980, 462990640, 694485960, 1388971920]

約数ペア:

[(1, 1388971920), (2, 694485960), (3, 462990640), (4, 347242980), (5, 277794384), (6, 231495320), (7, 198424560), (8, 173621490), (10, 138897192), (12, 115747660), (14, 99212280), (15, 92598128), (16, 86810745), (20, 69448596), (21, 66141520), (24, 57873830), (28, 49606140), (30, 46299064), (35, 39684912), (40, 34724298), (42, 33070760), (48, 28936915), (56, 24803070), (60, 23149532), (70, 19842456), (80, 17362149), (84, 16535380), (105, 13228304), (112, 12401535), (120, 11574766), (140, 9921228), (168, 8267690), (210, 6614152), (240, 5787383), (257, 5404560), (280, 4960614), (336, 4133845), (420, 3307076), (514, 2702280), (560, 2480307), (771, 1801520), (840, 1653538), (1028, 1351140), (1285, 1080912), (1542, 900760), (1680, 826769), (1799, 772080), (2056, 675570), (2570, 540456), (3084, 450380), (3217, 431760), (3598, 386040), (3855, 360304), (4112, 337785), (5140, 270228), (5397, 257360), (6168, 225190), (6434, 215880), (7196, 193020), (7710, 180152), (8995, 154416), (9651, 143920), (10280, 135114), (10794, 128680), (12336, 112595), (12868, 107940), (14392, 96510), (15420, 90076), (16085, 86352), (17990, 77208), (19302, 71960), (20560, 67557), (21588, 64340), (22519, 61680), (25736, 53970), (26985, 51472), (28784, 48255), (30840, 45038), (32170, 43176), (35980, 38604)]