15656520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:463

約数の個数: 128

約数和(自身を含む): 53136000

約数和(自身を除く): 37479480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 29, 30, 33, 40, 44, 55, 58, 60, 66, 87, 88, 110, 116, 120, 132, 145, 165, 174, 220, 232, 264, 290, 319, 330, 348, 409, 435, 440, 580, 638, 660, 696, 818, 870, 957, 1160, 1227, 1276, 1320, 1595, 1636, 1740, 1914, 2045, 2454, 2552, 3190, 3272, 3480, 3828, 4090, 4499, 4785, 4908, 6135, 6380, 7656, 8180, 8998, 9570, 9816, 11861, 12270, 12760, 13497, 16360, 17996, 19140, 22495, 23722, 24540, 26994, 35583, 35992, 38280, 44990, 47444, 49080, 53988, 59305, 67485, 71166, 89980, 94888, 107976, 118610, 130471, 134970, 142332, 177915, 179960, 237220, 260942, 269940, 284664, 355830, 391413, 474440, 521884, 539880, 652355, 711660, 782826, 1043768, 1304710, 1423320, 1565652, 1957065, 2609420, 3131304, 3914130, 5218840, 7828260, 15656520]

約数ペア:

[(1, 15656520), (2, 7828260), (3, 5218840), (4, 3914130), (5, 3131304), (6, 2609420), (8, 1957065), (10, 1565652), (11, 1423320), (12, 1304710), (15, 1043768), (20, 782826), (22, 711660), (24, 652355), (29, 539880), (30, 521884), (33, 474440), (40, 391413), (44, 355830), (55, 284664), (58, 269940), (60, 260942), (66, 237220), (87, 179960), (88, 177915), (110, 142332), (116, 134970), (120, 130471), (132, 118610), (145, 107976), (165, 94888), (174, 89980), (220, 71166), (232, 67485), (264, 59305), (290, 53988), (319, 49080), (330, 47444), (348, 44990), (409, 38280), (435, 35992), (440, 35583), (580, 26994), (638, 24540), (660, 23722), (696, 22495), (818, 19140), (870, 17996), (957, 16360), (1160, 13497), (1227, 12760), (1276, 12270), (1320, 11861), (1595, 9816), (1636, 9570), (1740, 8998), (1914, 8180), (2045, 7656), (2454, 6380), (2552, 6135), (3190, 4908), (3272, 4785), (3480, 4499), (3828, 4090)]