131575920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{271}}^1$

素因数の和:328

約数の個数: 240

約数和(自身を含む): 497015808

約数和(自身を除く): 365439888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 271, 272, 280, 289, 336, 340, 357, 408, 420, 476, 510, 542, 560, 578, 595, 680, 714, 813, 816, 840, 867, 952, 1020, 1084, 1156, 1190, 1355, 1360, 1428, 1445, 1626, 1680, 1734, 1785, 1897, 1904, 2023, 2040, 2168, 2312, 2380, 2710, 2856, 2890, 3252, 3468, 3570, 3794, 4046, 4065, 4080, 4335, 4336, 4607, 4624, 4760, 5420, 5691, 5712, 5780, 6069, 6504, 6936, 7140, 7588, 8092, 8130, 8670, 9214, 9485, 9520, 10115, 10840, 11382, 11560, 12138, 13008, 13821, 13872, 14280, 15176, 16184, 16260, 17340, 18428, 18970, 20230, 21680, 22764, 23035, 23120, 24276, 27642, 28455, 28560, 30345, 30352, 32249, 32368, 32520, 34680, 36856, 37940, 40460, 45528, 46070, 48552, 55284, 56910, 60690, 64498, 65040, 69105, 69360, 73712, 75880, 78319, 80920, 91056, 92140, 96747, 97104, 110568, 113820, 121380, 128996, 138210, 151760, 156638, 161245, 161840, 184280, 193494, 221136, 227640, 234957, 242760, 257992, 276420, 313276, 322490, 368560, 386988, 391595, 455280, 469914, 483735, 485520, 515984, 548233, 552840, 626552, 644980, 773976, 783190, 939828, 967470, 1096466, 1105680, 1174785, 1253104, 1289960, 1547952, 1566380, 1644699, 1879656, 1934940, 2192932, 2349570, 2579920, 2741165, 3132760, 3289398, 3759312, 3869880, 4385864, 4699140, 5482330, 6265520, 6578796, 7739760, 8223495, 8771728, 9398280, 10964660, 13157592, 16446990, 18796560, 21929320, 26315184, 32893980, 43858640, 65787960, 131575920]

約数ペア:

[(1, 131575920), (2, 65787960), (3, 43858640), (4, 32893980), (5, 26315184), (6, 21929320), (7, 18796560), (8, 16446990), (10, 13157592), (12, 10964660), (14, 9398280), (15, 8771728), (16, 8223495), (17, 7739760), (20, 6578796), (21, 6265520), (24, 5482330), (28, 4699140), (30, 4385864), (34, 3869880), (35, 3759312), (40, 3289398), (42, 3132760), (48, 2741165), (51, 2579920), (56, 2349570), (60, 2192932), (68, 1934940), (70, 1879656), (80, 1644699), (84, 1566380), (85, 1547952), (102, 1289960), (105, 1253104), (112, 1174785), (119, 1105680), (120, 1096466), (136, 967470), (140, 939828), (168, 783190), (170, 773976), (204, 644980), (210, 626552), (238, 552840), (240, 548233), (255, 515984), (271, 485520), (272, 483735), (280, 469914), (289, 455280), (336, 391595), (340, 386988), (357, 368560), (408, 322490), (420, 313276), (476, 276420), (510, 257992), (542, 242760), (560, 234957), (578, 227640), (595, 221136), (680, 193494), (714, 184280), (813, 161840), (816, 161245), (840, 156638), (867, 151760), (952, 138210), (1020, 128996), (1084, 121380), (1156, 113820), (1190, 110568), (1355, 97104), (1360, 96747), (1428, 92140), (1445, 91056), (1626, 80920), (1680, 78319), (1734, 75880), (1785, 73712), (1897, 69360), (1904, 69105), (2023, 65040), (2040, 64498), (2168, 60690), (2312, 56910), (2380, 55284), (2710, 48552), (2856, 46070), (2890, 45528), (3252, 40460), (3468, 37940), (3570, 36856), (3794, 34680), (4046, 32520), (4065, 32368), (4080, 32249), (4335, 30352), (4336, 30345), (4607, 28560), (4624, 28455), (4760, 27642), (5420, 24276), (5691, 23120), (5712, 23035), (5780, 22764), (6069, 21680), (6504, 20230), (6936, 18970), (7140, 18428), (7588, 17340), (8092, 16260), (8130, 16184), (8670, 15176), (9214, 14280), (9485, 13872), (9520, 13821), (10115, 13008), (10840, 12138), (11382, 11560)]