15887760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{193}}^1$

素因数の和:230

約数の個数: 160

約数和(自身を含む): 57734400

約数和(自身を除く): 41846640

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, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 193, 196, 210, 240, 245, 280, 294, 336, 343, 386, 392, 420, 490, 560, 579, 588, 686, 735, 772, 784, 840, 965, 980, 1029, 1158, 1176, 1351, 1372, 1470, 1544, 1680, 1715, 1930, 1960, 2058, 2316, 2352, 2702, 2744, 2895, 2940, 3088, 3430, 3860, 3920, 4053, 4116, 4632, 5145, 5404, 5488, 5790, 5880, 6755, 6860, 7720, 8106, 8232, 9264, 9457, 10290, 10808, 11580, 11760, 13510, 13720, 15440, 16212, 16464, 18914, 20265, 20580, 21616, 23160, 27020, 27440, 28371, 32424, 37828, 40530, 41160, 46320, 47285, 54040, 56742, 64848, 66199, 75656, 81060, 82320, 94570, 108080, 113484, 132398, 141855, 151312, 162120, 189140, 198597, 226968, 264796, 283710, 324240, 330995, 378280, 397194, 453936, 529592, 567420, 661990, 756560, 794388, 992985, 1059184, 1134840, 1323980, 1588776, 1985970, 2269680, 2647960, 3177552, 3971940, 5295920, 7943880, 15887760]

約数ペア:

[(1, 15887760), (2, 7943880), (3, 5295920), (4, 3971940), (5, 3177552), (6, 2647960), (7, 2269680), (8, 1985970), (10, 1588776), (12, 1323980), (14, 1134840), (15, 1059184), (16, 992985), (20, 794388), (21, 756560), (24, 661990), (28, 567420), (30, 529592), (35, 453936), (40, 397194), (42, 378280), (48, 330995), (49, 324240), (56, 283710), (60, 264796), (70, 226968), (80, 198597), (84, 189140), (98, 162120), (105, 151312), (112, 141855), (120, 132398), (140, 113484), (147, 108080), (168, 94570), (193, 82320), (196, 81060), (210, 75656), (240, 66199), (245, 64848), (280, 56742), (294, 54040), (336, 47285), (343, 46320), (386, 41160), (392, 40530), (420, 37828), (490, 32424), (560, 28371), (579, 27440), (588, 27020), (686, 23160), (735, 21616), (772, 20580), (784, 20265), (840, 18914), (965, 16464), (980, 16212), (1029, 15440), (1158, 13720), (1176, 13510), (1351, 11760), (1372, 11580), (1470, 10808), (1544, 10290), (1680, 9457), (1715, 9264), (1930, 8232), (1960, 8106), (2058, 7720), (2316, 6860), (2352, 6755), (2702, 5880), (2744, 5790), (2895, 5488), (2940, 5404), (3088, 5145), (3430, 4632), (3860, 4116), (3920, 4053)]