31152780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9109}}^1$

素因数の和:9143

約数の個数: 72

約数和(自身を含む): 99481200

約数和(自身を除く): 68328420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 9109, 18218, 27327, 36436, 45545, 54654, 81981, 91090, 109308, 136635, 163962, 173071, 182180, 273270, 327924, 346142, 409905, 519213, 546540, 692284, 819810, 865355, 1038426, 1557639, 1639620, 1730710, 2076852, 2596065, 3115278, 3461420, 5192130, 6230556, 7788195, 10384260, 15576390, 31152780]

約数ペア:

[(1, 31152780), (2, 15576390), (3, 10384260), (4, 7788195), (5, 6230556), (6, 5192130), (9, 3461420), (10, 3115278), (12, 2596065), (15, 2076852), (18, 1730710), (19, 1639620), (20, 1557639), (30, 1038426), (36, 865355), (38, 819810), (45, 692284), (57, 546540), (60, 519213), (76, 409905), (90, 346142), (95, 327924), (114, 273270), (171, 182180), (180, 173071), (190, 163962), (228, 136635), (285, 109308), (342, 91090), (380, 81981), (570, 54654), (684, 45545), (855, 36436), (1140, 27327), (1710, 18218), (3420, 9109)]