258756680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1061}}^1$

素因数の和:1159

約数の個数: 128

約数和(自身を含む): 727937280

約数和(自身を除く): 469180600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 67, 70, 91, 104, 130, 134, 140, 182, 260, 268, 280, 335, 364, 455, 469, 520, 536, 670, 728, 871, 910, 938, 1061, 1340, 1742, 1820, 1876, 2122, 2345, 2680, 3484, 3640, 3752, 4244, 4355, 4690, 5305, 6097, 6968, 7427, 8488, 8710, 9380, 10610, 12194, 13793, 14854, 17420, 18760, 21220, 24388, 27586, 29708, 30485, 34840, 37135, 42440, 48776, 55172, 59416, 60970, 68965, 71087, 74270, 96551, 110344, 121940, 137930, 142174, 148540, 193102, 243880, 275860, 284348, 297080, 355435, 386204, 482755, 497609, 551720, 568696, 710870, 772408, 924131, 965510, 995218, 1421740, 1848262, 1931020, 1990436, 2488045, 2843480, 3696524, 3862040, 3980872, 4620655, 4976090, 6468917, 7393048, 9241310, 9952180, 12937834, 18482620, 19904360, 25875668, 32344585, 36965240, 51751336, 64689170, 129378340, 258756680]

約数ペア:

[(1, 258756680), (2, 129378340), (4, 64689170), (5, 51751336), (7, 36965240), (8, 32344585), (10, 25875668), (13, 19904360), (14, 18482620), (20, 12937834), (26, 9952180), (28, 9241310), (35, 7393048), (40, 6468917), (52, 4976090), (56, 4620655), (65, 3980872), (67, 3862040), (70, 3696524), (91, 2843480), (104, 2488045), (130, 1990436), (134, 1931020), (140, 1848262), (182, 1421740), (260, 995218), (268, 965510), (280, 924131), (335, 772408), (364, 710870), (455, 568696), (469, 551720), (520, 497609), (536, 482755), (670, 386204), (728, 355435), (871, 297080), (910, 284348), (938, 275860), (1061, 243880), (1340, 193102), (1742, 148540), (1820, 142174), (1876, 137930), (2122, 121940), (2345, 110344), (2680, 96551), (3484, 74270), (3640, 71087), (3752, 68965), (4244, 60970), (4355, 59416), (4690, 55172), (5305, 48776), (6097, 42440), (6968, 37135), (7427, 34840), (8488, 30485), (8710, 29708), (9380, 27586), (10610, 24388), (12194, 21220), (13793, 18760), (14854, 17420)]