65788640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1$

素因数の和:137

約数の個数: 144

約数和(自身を含む): 176278032

約数和(自身を除く): 110489392

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 67, 68, 76, 80, 85, 95, 134, 136, 152, 160, 170, 190, 268, 272, 304, 323, 335, 340, 361, 380, 536, 544, 608, 646, 670, 680, 722, 760, 1072, 1139, 1273, 1292, 1340, 1360, 1444, 1520, 1615, 1805, 2144, 2278, 2546, 2584, 2680, 2720, 2888, 3040, 3230, 3610, 4556, 5092, 5168, 5360, 5695, 5776, 6137, 6365, 6460, 7220, 9112, 10184, 10336, 10720, 11390, 11552, 12274, 12730, 12920, 14440, 18224, 20368, 21641, 22780, 24187, 24548, 25460, 25840, 28880, 30685, 36448, 40736, 43282, 45560, 48374, 49096, 50920, 51680, 57760, 61370, 86564, 91120, 96748, 98192, 101840, 108205, 120935, 122740, 173128, 182240, 193496, 196384, 203680, 216410, 241870, 245480, 346256, 386992, 411179, 432820, 483740, 490960, 692512, 773984, 822358, 865640, 967480, 981920, 1644716, 1731280, 1934960, 2055895, 3289432, 3462560, 3869920, 4111790, 6578864, 8223580, 13157728, 16447160, 32894320, 65788640]

約数ペア:

[(1, 65788640), (2, 32894320), (4, 16447160), (5, 13157728), (8, 8223580), (10, 6578864), (16, 4111790), (17, 3869920), (19, 3462560), (20, 3289432), (32, 2055895), (34, 1934960), (38, 1731280), (40, 1644716), (67, 981920), (68, 967480), (76, 865640), (80, 822358), (85, 773984), (95, 692512), (134, 490960), (136, 483740), (152, 432820), (160, 411179), (170, 386992), (190, 346256), (268, 245480), (272, 241870), (304, 216410), (323, 203680), (335, 196384), (340, 193496), (361, 182240), (380, 173128), (536, 122740), (544, 120935), (608, 108205), (646, 101840), (670, 98192), (680, 96748), (722, 91120), (760, 86564), (1072, 61370), (1139, 57760), (1273, 51680), (1292, 50920), (1340, 49096), (1360, 48374), (1444, 45560), (1520, 43282), (1615, 40736), (1805, 36448), (2144, 30685), (2278, 28880), (2546, 25840), (2584, 25460), (2680, 24548), (2720, 24187), (2888, 22780), (3040, 21641), (3230, 20368), (3610, 18224), (4556, 14440), (5092, 12920), (5168, 12730), (5360, 12274), (5695, 11552), (5776, 11390), (6137, 10720), (6365, 10336), (6460, 10184), (7220, 9112)]