31700760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2903}}^1$

素因数の和:2937

約数の個数: 128

約数和(自身を含む): 117089280

約数和(自身を除く): 85388520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 2903, 3640, 5460, 5806, 8709, 10920, 11612, 14515, 17418, 20321, 23224, 29030, 34836, 37739, 40642, 43545, 58060, 60963, 69672, 75478, 81284, 87090, 101605, 113217, 116120, 121926, 150956, 162568, 174180, 188695, 203210, 226434, 243852, 264173, 301912, 304815, 348360, 377390, 406420, 452868, 487704, 528346, 566085, 609630, 754780, 792519, 812840, 905736, 1056692, 1132170, 1219260, 1320865, 1509560, 1585038, 2113384, 2264340, 2438520, 2641730, 3170076, 3962595, 4528680, 5283460, 6340152, 7925190, 10566920, 15850380, 31700760]

約数ペア:

[(1, 31700760), (2, 15850380), (3, 10566920), (4, 7925190), (5, 6340152), (6, 5283460), (7, 4528680), (8, 3962595), (10, 3170076), (12, 2641730), (13, 2438520), (14, 2264340), (15, 2113384), (20, 1585038), (21, 1509560), (24, 1320865), (26, 1219260), (28, 1132170), (30, 1056692), (35, 905736), (39, 812840), (40, 792519), (42, 754780), (52, 609630), (56, 566085), (60, 528346), (65, 487704), (70, 452868), (78, 406420), (84, 377390), (91, 348360), (104, 304815), (105, 301912), (120, 264173), (130, 243852), (140, 226434), (156, 203210), (168, 188695), (182, 174180), (195, 162568), (210, 150956), (260, 121926), (273, 116120), (280, 113217), (312, 101605), (364, 87090), (390, 81284), (420, 75478), (455, 69672), (520, 60963), (546, 58060), (728, 43545), (780, 40642), (840, 37739), (910, 34836), (1092, 29030), (1365, 23224), (1560, 20321), (1820, 17418), (2184, 14515), (2730, 11612), (2903, 10920), (3640, 8709), (5460, 5806)]