31891990320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{560689}}^1$

素因数の和:560787

約数の個数: 120

約数和(自身を含む): 108459873600

約数和(自身を除く): 76567883280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 79, 80, 90, 120, 144, 158, 180, 237, 240, 316, 360, 395, 474, 632, 711, 720, 790, 948, 1185, 1264, 1422, 1580, 1896, 2370, 2844, 3160, 3555, 3792, 4740, 5688, 6320, 7110, 9480, 11376, 14220, 18960, 28440, 56880, 560689, 1121378, 1682067, 2242756, 2803445, 3364134, 4485512, 5046201, 5606890, 6728268, 8410335, 8971024, 10092402, 11213780, 13456536, 16820670, 20184804, 22427560, 25231005, 26913072, 33641340, 40369608, 44294431, 44855120, 50462010, 67282680, 80739216, 88588862, 100924020, 132883293, 134565360, 177177724, 201848040, 221472155, 265766586, 354355448, 398649879, 403696080, 442944310, 531533172, 664416465, 708710896, 797299758, 885888620, 1063066344, 1328832930, 1594599516, 1771777240, 1993249395, 2126132688, 2657665860, 3189199032, 3543554480, 3986498790, 5315331720, 6378398064, 7972997580, 10630663440, 15945995160, 31891990320]

約数ペア:

[(1, 31891990320), (2, 15945995160), (3, 10630663440), (4, 7972997580), (5, 6378398064), (6, 5315331720), (8, 3986498790), (9, 3543554480), (10, 3189199032), (12, 2657665860), (15, 2126132688), (16, 1993249395), (18, 1771777240), (20, 1594599516), (24, 1328832930), (30, 1063066344), (36, 885888620), (40, 797299758), (45, 708710896), (48, 664416465), (60, 531533172), (72, 442944310), (79, 403696080), (80, 398649879), (90, 354355448), (120, 265766586), (144, 221472155), (158, 201848040), (180, 177177724), (237, 134565360), (240, 132883293), (316, 100924020), (360, 88588862), (395, 80739216), (474, 67282680), (632, 50462010), (711, 44855120), (720, 44294431), (790, 40369608), (948, 33641340), (1185, 26913072), (1264, 25231005), (1422, 22427560), (1580, 20184804), (1896, 16820670), (2370, 13456536), (2844, 11213780), (3160, 10092402), (3555, 8971024), (3792, 8410335), (4740, 6728268), (5688, 5606890), (6320, 5046201), (7110, 4485512), (9480, 3364134), (11376, 2803445), (14220, 2242756), (18960, 1682067), (28440, 1121378), (56880, 560689)]