218605920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:745

約数の個数: 192

約数和(自身を含む): 756713664

約数和(自身を除く): 538107744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 53, 60, 65, 78, 80, 96, 104, 106, 120, 130, 156, 159, 160, 195, 208, 212, 240, 260, 265, 312, 318, 390, 416, 424, 480, 520, 530, 624, 636, 661, 689, 780, 795, 848, 1040, 1060, 1248, 1272, 1322, 1378, 1560, 1590, 1696, 1983, 2067, 2080, 2120, 2544, 2644, 2756, 3120, 3180, 3305, 3445, 3966, 4134, 4240, 5088, 5288, 5512, 6240, 6360, 6610, 6890, 7932, 8268, 8480, 8593, 9915, 10335, 10576, 11024, 12720, 13220, 13780, 15864, 16536, 17186, 19830, 20670, 21152, 22048, 25440, 25779, 26440, 27560, 31728, 33072, 34372, 35033, 39660, 41340, 42965, 51558, 52880, 55120, 63456, 66144, 68744, 70066, 79320, 82680, 85930, 103116, 105099, 105760, 110240, 128895, 137488, 140132, 158640, 165360, 171860, 175165, 206232, 210198, 257790, 274976, 280264, 317280, 330720, 343720, 350330, 412464, 420396, 455429, 515580, 525495, 560528, 687440, 700660, 824928, 840792, 910858, 1031160, 1050990, 1121056, 1366287, 1374880, 1401320, 1681584, 1821716, 2062320, 2101980, 2277145, 2732574, 2802640, 3363168, 3643432, 4124640, 4203960, 4554290, 5465148, 5605280, 6831435, 7286864, 8407920, 9108580, 10930296, 13662870, 14573728, 16815840, 18217160, 21860592, 27325740, 36434320, 43721184, 54651480, 72868640, 109302960, 218605920]

約数ペア:

[(1, 218605920), (2, 109302960), (3, 72868640), (4, 54651480), (5, 43721184), (6, 36434320), (8, 27325740), (10, 21860592), (12, 18217160), (13, 16815840), (15, 14573728), (16, 13662870), (20, 10930296), (24, 9108580), (26, 8407920), (30, 7286864), (32, 6831435), (39, 5605280), (40, 5465148), (48, 4554290), (52, 4203960), (53, 4124640), (60, 3643432), (65, 3363168), (78, 2802640), (80, 2732574), (96, 2277145), (104, 2101980), (106, 2062320), (120, 1821716), (130, 1681584), (156, 1401320), (159, 1374880), (160, 1366287), (195, 1121056), (208, 1050990), (212, 1031160), (240, 910858), (260, 840792), (265, 824928), (312, 700660), (318, 687440), (390, 560528), (416, 525495), (424, 515580), (480, 455429), (520, 420396), (530, 412464), (624, 350330), (636, 343720), (661, 330720), (689, 317280), (780, 280264), (795, 274976), (848, 257790), (1040, 210198), (1060, 206232), (1248, 175165), (1272, 171860), (1322, 165360), (1378, 158640), (1560, 140132), (1590, 137488), (1696, 128895), (1983, 110240), (2067, 105760), (2080, 105099), (2120, 103116), (2544, 85930), (2644, 82680), (2756, 79320), (3120, 70066), (3180, 68744), (3305, 66144), (3445, 63456), (3966, 55120), (4134, 52880), (4240, 51558), (5088, 42965), (5288, 41340), (5512, 39660), (6240, 35033), (6360, 34372), (6610, 33072), (6890, 31728), (7932, 27560), (8268, 26440), (8480, 25779), (8593, 25440), (9915, 22048), (10335, 21152), (10576, 20670), (11024, 19830), (12720, 17186), (13220, 16536), (13780, 15864)]