67870920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:479

約数の個数: 128

約数和(自身を含む): 221558400

約数和(自身を除く): 153687480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 139, 156, 195, 260, 278, 312, 313, 390, 417, 520, 556, 626, 695, 780, 834, 939, 1112, 1252, 1390, 1560, 1565, 1668, 1807, 1878, 2085, 2504, 2780, 3130, 3336, 3614, 3756, 4069, 4170, 4695, 5421, 5560, 6260, 7228, 7512, 8138, 8340, 9035, 9390, 10842, 12207, 12520, 14456, 16276, 16680, 18070, 18780, 20345, 21684, 24414, 27105, 32552, 36140, 37560, 40690, 43368, 43507, 48828, 54210, 61035, 72280, 81380, 87014, 97656, 108420, 122070, 130521, 162760, 174028, 216840, 217535, 244140, 261042, 348056, 435070, 488280, 522084, 565591, 652605, 870140, 1044168, 1131182, 1305210, 1696773, 1740280, 2262364, 2610420, 2827955, 3393546, 4524728, 5220840, 5655910, 6787092, 8483865, 11311820, 13574184, 16967730, 22623640, 33935460, 67870920]

約数ペア:

[(1, 67870920), (2, 33935460), (3, 22623640), (4, 16967730), (5, 13574184), (6, 11311820), (8, 8483865), (10, 6787092), (12, 5655910), (13, 5220840), (15, 4524728), (20, 3393546), (24, 2827955), (26, 2610420), (30, 2262364), (39, 1740280), (40, 1696773), (52, 1305210), (60, 1131182), (65, 1044168), (78, 870140), (104, 652605), (120, 565591), (130, 522084), (139, 488280), (156, 435070), (195, 348056), (260, 261042), (278, 244140), (312, 217535), (313, 216840), (390, 174028), (417, 162760), (520, 130521), (556, 122070), (626, 108420), (695, 97656), (780, 87014), (834, 81380), (939, 72280), (1112, 61035), (1252, 54210), (1390, 48828), (1560, 43507), (1565, 43368), (1668, 40690), (1807, 37560), (1878, 36140), (2085, 32552), (2504, 27105), (2780, 24414), (3130, 21684), (3336, 20345), (3614, 18780), (3756, 18070), (4069, 16680), (4170, 16276), (4695, 14456), (5421, 12520), (5560, 12207), (6260, 10842), (7228, 9390), (7512, 9035), (8138, 8340)]