31316760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:398

約数の個数: 128

約数和(自身を含む): 105753600

約数和(自身を除く): 74436840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 107, 108, 120, 135, 180, 214, 216, 270, 271, 321, 360, 428, 535, 540, 542, 642, 813, 856, 963, 1070, 1080, 1084, 1284, 1355, 1605, 1626, 1926, 2140, 2168, 2439, 2568, 2710, 2889, 3210, 3252, 3852, 4065, 4280, 4815, 4878, 5420, 5778, 6420, 6504, 7317, 7704, 8130, 9630, 9756, 10840, 11556, 12195, 12840, 14445, 14634, 16260, 19260, 19512, 23112, 24390, 28890, 28997, 29268, 32520, 36585, 38520, 48780, 57780, 57994, 58536, 73170, 86991, 97560, 115560, 115988, 144985, 146340, 173982, 231976, 260973, 289970, 292680, 347964, 434955, 521946, 579940, 695928, 782919, 869910, 1043892, 1159880, 1304865, 1565838, 1739820, 2087784, 2609730, 3131676, 3479640, 3914595, 5219460, 6263352, 7829190, 10438920, 15658380, 31316760]

約数ペア:

[(1, 31316760), (2, 15658380), (3, 10438920), (4, 7829190), (5, 6263352), (6, 5219460), (8, 3914595), (9, 3479640), (10, 3131676), (12, 2609730), (15, 2087784), (18, 1739820), (20, 1565838), (24, 1304865), (27, 1159880), (30, 1043892), (36, 869910), (40, 782919), (45, 695928), (54, 579940), (60, 521946), (72, 434955), (90, 347964), (107, 292680), (108, 289970), (120, 260973), (135, 231976), (180, 173982), (214, 146340), (216, 144985), (270, 115988), (271, 115560), (321, 97560), (360, 86991), (428, 73170), (535, 58536), (540, 57994), (542, 57780), (642, 48780), (813, 38520), (856, 36585), (963, 32520), (1070, 29268), (1080, 28997), (1084, 28890), (1284, 24390), (1355, 23112), (1605, 19512), (1626, 19260), (1926, 16260), (2140, 14634), (2168, 14445), (2439, 12840), (2568, 12195), (2710, 11556), (2889, 10840), (3210, 9756), (3252, 9630), (3852, 8130), (4065, 7704), (4280, 7317), (4815, 6504), (4878, 6420), (5420, 5778)]