138517360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{569}}^1$

素因数の和:778

約数の個数: 80

約数和(自身を含む): 343504800

約数和(自身を除く): 204987440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 179, 272, 340, 358, 569, 680, 716, 895, 1138, 1360, 1432, 1790, 2276, 2845, 2864, 3043, 3580, 4552, 5690, 6086, 7160, 9104, 9673, 11380, 12172, 14320, 15215, 19346, 22760, 24344, 30430, 38692, 45520, 48365, 48688, 60860, 77384, 96730, 101851, 121720, 154768, 193460, 203702, 243440, 386920, 407404, 509255, 773840, 814808, 1018510, 1629616, 1731467, 2037020, 3462934, 4074040, 6925868, 8148080, 8657335, 13851736, 17314670, 27703472, 34629340, 69258680, 138517360]

約数ペア:

[(1, 138517360), (2, 69258680), (4, 34629340), (5, 27703472), (8, 17314670), (10, 13851736), (16, 8657335), (17, 8148080), (20, 6925868), (34, 4074040), (40, 3462934), (68, 2037020), (80, 1731467), (85, 1629616), (136, 1018510), (170, 814808), (179, 773840), (272, 509255), (340, 407404), (358, 386920), (569, 243440), (680, 203702), (716, 193460), (895, 154768), (1138, 121720), (1360, 101851), (1432, 96730), (1790, 77384), (2276, 60860), (2845, 48688), (2864, 48365), (3043, 45520), (3580, 38692), (4552, 30430), (5690, 24344), (6086, 22760), (7160, 19346), (9104, 15215), (9673, 14320), (11380, 12172)]