255629360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:355

約数の個数: 160

約数和(自身を含む): 719953920

約数和(自身を除く): 464324560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 89, 92, 112, 115, 140, 161, 178, 184, 223, 230, 280, 322, 356, 368, 445, 446, 460, 560, 623, 644, 712, 805, 890, 892, 920, 1115, 1246, 1288, 1424, 1561, 1610, 1780, 1784, 1840, 2047, 2230, 2492, 2576, 3115, 3122, 3220, 3560, 3568, 4094, 4460, 4984, 5129, 6230, 6244, 6440, 7120, 7805, 8188, 8920, 9968, 10235, 10258, 12460, 12488, 12880, 14329, 15610, 16376, 17840, 19847, 20470, 20516, 24920, 24976, 25645, 28658, 31220, 32752, 35903, 39694, 40940, 41032, 49840, 51290, 57316, 62440, 71645, 71806, 79388, 81880, 82064, 99235, 102580, 114632, 124880, 138929, 143290, 143612, 158776, 163760, 179515, 198470, 205160, 229264, 277858, 286580, 287224, 317552, 359030, 396940, 410320, 456481, 555716, 573160, 574448, 694645, 718060, 793880, 912962, 1111432, 1146320, 1389290, 1436120, 1587760, 1825924, 2222864, 2282405, 2778580, 2872240, 3195367, 3651848, 4564810, 5557160, 6390734, 7303696, 9129620, 11114320, 12781468, 15976835, 18259240, 25562936, 31953670, 36518480, 51125872, 63907340, 127814680, 255629360]

約数ペア:

[(1, 255629360), (2, 127814680), (4, 63907340), (5, 51125872), (7, 36518480), (8, 31953670), (10, 25562936), (14, 18259240), (16, 15976835), (20, 12781468), (23, 11114320), (28, 9129620), (35, 7303696), (40, 6390734), (46, 5557160), (56, 4564810), (70, 3651848), (80, 3195367), (89, 2872240), (92, 2778580), (112, 2282405), (115, 2222864), (140, 1825924), (161, 1587760), (178, 1436120), (184, 1389290), (223, 1146320), (230, 1111432), (280, 912962), (322, 793880), (356, 718060), (368, 694645), (445, 574448), (446, 573160), (460, 555716), (560, 456481), (623, 410320), (644, 396940), (712, 359030), (805, 317552), (890, 287224), (892, 286580), (920, 277858), (1115, 229264), (1246, 205160), (1288, 198470), (1424, 179515), (1561, 163760), (1610, 158776), (1780, 143612), (1784, 143290), (1840, 138929), (2047, 124880), (2230, 114632), (2492, 102580), (2576, 99235), (3115, 82064), (3122, 81880), (3220, 79388), (3560, 71806), (3568, 71645), (4094, 62440), (4460, 57316), (4984, 51290), (5129, 49840), (6230, 41032), (6244, 40940), (6440, 39694), (7120, 35903), (7805, 32752), (8188, 31220), (8920, 28658), (9968, 25645), (10235, 24976), (10258, 24920), (12460, 20516), (12488, 20470), (12880, 19847), (14329, 17840), (15610, 16376)]