31347680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2153}}^1$

素因数の和:2188

約数の個数: 96

約数和(自身を含む): 91191744

約数和(自身を除く): 59844064

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1456, 1820, 2080, 2153, 2912, 3640, 4306, 7280, 8612, 10765, 14560, 15071, 17224, 21530, 27989, 30142, 34448, 43060, 55978, 60284, 68896, 75355, 86120, 111956, 120568, 139945, 150710, 172240, 195923, 223912, 241136, 279890, 301420, 344480, 391846, 447824, 482272, 559780, 602840, 783692, 895648, 979615, 1119560, 1205680, 1567384, 1959230, 2239120, 2411360, 3134768, 3918460, 4478240, 6269536, 7836920, 15673840, 31347680]

約数ペア:

[(1, 31347680), (2, 15673840), (4, 7836920), (5, 6269536), (7, 4478240), (8, 3918460), (10, 3134768), (13, 2411360), (14, 2239120), (16, 1959230), (20, 1567384), (26, 1205680), (28, 1119560), (32, 979615), (35, 895648), (40, 783692), (52, 602840), (56, 559780), (65, 482272), (70, 447824), (80, 391846), (91, 344480), (104, 301420), (112, 279890), (130, 241136), (140, 223912), (160, 195923), (182, 172240), (208, 150710), (224, 139945), (260, 120568), (280, 111956), (364, 86120), (416, 75355), (455, 68896), (520, 60284), (560, 55978), (728, 43060), (910, 34448), (1040, 30142), (1120, 27989), (1456, 21530), (1820, 17224), (2080, 15071), (2153, 14560), (2912, 10765), (3640, 8612), (4306, 7280)]