31809960

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1$

素因数の和:1008

約数の個数: 192

約数和(自身を含む): 127370880

約数和(自身を除く): 95560920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 360, 364, 390, 420, 455, 468, 504, 520, 546, 585, 630, 728, 780, 819, 840, 910, 936, 971, 1092, 1170, 1260, 1365, 1560, 1638, 1820, 1942, 2184, 2340, 2520, 2730, 2913, 3276, 3640, 3884, 4095, 4680, 4855, 5460, 5826, 6552, 6797, 7768, 8190, 8739, 9710, 10920, 11652, 12623, 13594, 14565, 16380, 17478, 19420, 20391, 23304, 25246, 27188, 29130, 32760, 33985, 34956, 37869, 38840, 40782, 43695, 50492, 54376, 58260, 61173, 63115, 67970, 69912, 75738, 81564, 87390, 88361, 100984, 101955, 113607, 116520, 122346, 126230, 135940, 151476, 163128, 174780, 176722, 189345, 203910, 227214, 244692, 252460, 265083, 271880, 302952, 305865, 349560, 353444, 378690, 407820, 441805, 454428, 489384, 504920, 530166, 568035, 611730, 706888, 757380, 795249, 815640, 883610, 908856, 1060332, 1136070, 1223460, 1325415, 1514760, 1590498, 1767220, 2120664, 2272140, 2446920, 2650830, 3180996, 3534440, 3976245, 4544280, 5301660, 6361992, 7952490, 10603320, 15904980, 31809960]

約数ペア:

[(1, 31809960), (2, 15904980), (3, 10603320), (4, 7952490), (5, 6361992), (6, 5301660), (7, 4544280), (8, 3976245), (9, 3534440), (10, 3180996), (12, 2650830), (13, 2446920), (14, 2272140), (15, 2120664), (18, 1767220), (20, 1590498), (21, 1514760), (24, 1325415), (26, 1223460), (28, 1136070), (30, 1060332), (35, 908856), (36, 883610), (39, 815640), (40, 795249), (42, 757380), (45, 706888), (52, 611730), (56, 568035), (60, 530166), (63, 504920), (65, 489384), (70, 454428), (72, 441805), (78, 407820), (84, 378690), (90, 353444), (91, 349560), (104, 305865), (105, 302952), (117, 271880), (120, 265083), (126, 252460), (130, 244692), (140, 227214), (156, 203910), (168, 189345), (180, 176722), (182, 174780), (195, 163128), (210, 151476), (234, 135940), (252, 126230), (260, 122346), (273, 116520), (280, 113607), (312, 101955), (315, 100984), (360, 88361), (364, 87390), (390, 81564), (420, 75738), (455, 69912), (468, 67970), (504, 63115), (520, 61173), (546, 58260), (585, 54376), (630, 50492), (728, 43695), (780, 40782), (819, 38840), (840, 37869), (910, 34956), (936, 33985), (971, 32760), (1092, 29130), (1170, 27188), (1260, 25246), (1365, 23304), (1560, 20391), (1638, 19420), (1820, 17478), (1942, 16380), (2184, 14565), (2340, 13594), (2520, 12623), (2730, 11652), (2913, 10920), (3276, 9710), (3640, 8739), (3884, 8190), (4095, 7768), (4680, 6797), (4855, 6552), (5460, 5826)]