31420480

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1$

素因数の和:133

約数の個数: 168

約数和(自身を含む): 93707712

約数和(自身を除く): 62287232

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 83, 91, 104, 112, 130, 140, 160, 166, 169, 182, 208, 224, 260, 280, 320, 332, 338, 364, 415, 416, 448, 455, 520, 560, 581, 664, 676, 728, 830, 832, 845, 910, 1040, 1079, 1120, 1162, 1183, 1328, 1352, 1456, 1660, 1690, 1820, 2080, 2158, 2240, 2324, 2366, 2656, 2704, 2905, 2912, 3320, 3380, 3640, 4160, 4316, 4648, 4732, 5312, 5395, 5408, 5810, 5824, 5915, 6640, 6760, 7280, 7553, 8632, 9296, 9464, 10790, 10816, 11620, 11830, 13280, 13520, 14027, 14560, 15106, 17264, 18592, 18928, 21580, 23240, 23660, 26560, 27040, 28054, 29120, 30212, 34528, 37184, 37765, 37856, 43160, 46480, 47320, 54080, 56108, 60424, 69056, 70135, 75530, 75712, 86320, 92960, 94640, 98189, 112216, 120848, 140270, 151060, 172640, 185920, 189280, 196378, 224432, 241696, 280540, 302120, 345280, 378560, 392756, 448864, 483392, 490945, 561080, 604240, 785512, 897728, 981890, 1122160, 1208480, 1571024, 1963780, 2244320, 2416960, 3142048, 3927560, 4488640, 6284096, 7855120, 15710240, 31420480]

約数ペア:

[(1, 31420480), (2, 15710240), (4, 7855120), (5, 6284096), (7, 4488640), (8, 3927560), (10, 3142048), (13, 2416960), (14, 2244320), (16, 1963780), (20, 1571024), (26, 1208480), (28, 1122160), (32, 981890), (35, 897728), (40, 785512), (52, 604240), (56, 561080), (64, 490945), (65, 483392), (70, 448864), (80, 392756), (83, 378560), (91, 345280), (104, 302120), (112, 280540), (130, 241696), (140, 224432), (160, 196378), (166, 189280), (169, 185920), (182, 172640), (208, 151060), (224, 140270), (260, 120848), (280, 112216), (320, 98189), (332, 94640), (338, 92960), (364, 86320), (415, 75712), (416, 75530), (448, 70135), (455, 69056), (520, 60424), (560, 56108), (581, 54080), (664, 47320), (676, 46480), (728, 43160), (830, 37856), (832, 37765), (845, 37184), (910, 34528), (1040, 30212), (1079, 29120), (1120, 28054), (1162, 27040), (1183, 26560), (1328, 23660), (1352, 23240), (1456, 21580), (1660, 18928), (1690, 18592), (1820, 17264), (2080, 15106), (2158, 14560), (2240, 14027), (2324, 13520), (2366, 13280), (2656, 11830), (2704, 11620), (2905, 10816), (2912, 10790), (3320, 9464), (3380, 9296), (3640, 8632), (4160, 7553), (4316, 7280), (4648, 6760), (4732, 6640), (5312, 5915), (5395, 5824), (5408, 5810)]