159293680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21881}}^1$

素因数の和:21914

約数の個数: 80

約数和(自身を含む): 455845824

約数和(自身を除く): 296552144

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 21881, 43762, 87524, 109405, 153167, 175048, 218810, 284453, 306334, 350096, 437620, 568906, 612668, 765835, 875240, 1137812, 1225336, 1422265, 1531670, 1750480, 1991171, 2275624, 2450672, 2844530, 3063340, 3982342, 4551248, 5689060, 6126680, 7964684, 9955855, 11378120, 12253360, 15929368, 19911710, 22756240, 31858736, 39823420, 79646840, 159293680]

約数ペア:

[(1, 159293680), (2, 79646840), (4, 39823420), (5, 31858736), (7, 22756240), (8, 19911710), (10, 15929368), (13, 12253360), (14, 11378120), (16, 9955855), (20, 7964684), (26, 6126680), (28, 5689060), (35, 4551248), (40, 3982342), (52, 3063340), (56, 2844530), (65, 2450672), (70, 2275624), (80, 1991171), (91, 1750480), (104, 1531670), (112, 1422265), (130, 1225336), (140, 1137812), (182, 875240), (208, 765835), (260, 612668), (280, 568906), (364, 437620), (455, 350096), (520, 306334), (560, 284453), (728, 218810), (910, 175048), (1040, 153167), (1456, 109405), (1820, 87524), (3640, 43762), (7280, 21881)]