157432880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:283

約数の個数: 160

約数和(自身を含む): 428544000

約数和(自身を除く): 271111120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 31, 40, 44, 55, 58, 62, 80, 88, 110, 116, 124, 145, 155, 176, 199, 220, 232, 248, 290, 310, 319, 341, 398, 440, 464, 496, 580, 620, 638, 682, 796, 880, 899, 995, 1160, 1240, 1276, 1364, 1592, 1595, 1705, 1798, 1990, 2189, 2320, 2480, 2552, 2728, 3184, 3190, 3410, 3596, 3980, 4378, 4495, 5104, 5456, 5771, 6169, 6380, 6820, 7192, 7960, 8756, 8990, 9889, 10945, 11542, 12338, 12760, 13640, 14384, 15920, 17512, 17980, 19778, 21890, 23084, 24676, 25520, 27280, 28855, 30845, 35024, 35960, 39556, 43780, 46168, 49352, 49445, 57710, 61690, 63481, 67859, 71920, 79112, 87560, 92336, 98704, 98890, 115420, 123380, 126962, 135718, 158224, 175120, 178901, 197780, 230840, 246760, 253924, 271436, 317405, 339295, 357802, 395560, 461680, 493520, 507848, 542872, 634810, 678590, 715604, 791120, 894505, 1015696, 1085744, 1269620, 1357180, 1431208, 1789010, 1967911, 2539240, 2714360, 2862416, 3578020, 3935822, 5078480, 5428720, 7156040, 7871644, 9839555, 14312080, 15743288, 19679110, 31486576, 39358220, 78716440, 157432880]

約数ペア:

[(1, 157432880), (2, 78716440), (4, 39358220), (5, 31486576), (8, 19679110), (10, 15743288), (11, 14312080), (16, 9839555), (20, 7871644), (22, 7156040), (29, 5428720), (31, 5078480), (40, 3935822), (44, 3578020), (55, 2862416), (58, 2714360), (62, 2539240), (80, 1967911), (88, 1789010), (110, 1431208), (116, 1357180), (124, 1269620), (145, 1085744), (155, 1015696), (176, 894505), (199, 791120), (220, 715604), (232, 678590), (248, 634810), (290, 542872), (310, 507848), (319, 493520), (341, 461680), (398, 395560), (440, 357802), (464, 339295), (496, 317405), (580, 271436), (620, 253924), (638, 246760), (682, 230840), (796, 197780), (880, 178901), (899, 175120), (995, 158224), (1160, 135718), (1240, 126962), (1276, 123380), (1364, 115420), (1592, 98890), (1595, 98704), (1705, 92336), (1798, 87560), (1990, 79112), (2189, 71920), (2320, 67859), (2480, 63481), (2552, 61690), (2728, 57710), (3184, 49445), (3190, 49352), (3410, 46168), (3596, 43780), (3980, 39556), (4378, 35960), (4495, 35024), (5104, 30845), (5456, 28855), (5771, 27280), (6169, 25520), (6380, 24676), (6820, 23084), (7192, 21890), (7960, 19778), (8756, 17980), (8990, 17512), (9889, 15920), (10945, 14384), (11542, 13640), (12338, 12760)]