280375020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9109}}^1$

素因数の和:9149

約数の個数: 120

約数和(自身を含む): 925940400

約数和(自身を除く): 645565380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 1026, 1140, 1539, 1620, 1710, 2052, 2565, 3078, 3420, 5130, 6156, 7695, 9109, 10260, 15390, 18218, 27327, 30780, 36436, 45545, 54654, 81981, 91090, 109308, 136635, 163962, 173071, 182180, 245943, 273270, 327924, 346142, 409905, 491886, 519213, 546540, 692284, 737829, 819810, 865355, 983772, 1038426, 1229715, 1475658, 1557639, 1639620, 1730710, 2076852, 2459430, 2596065, 2951316, 3115278, 3461420, 3689145, 4672917, 4918860, 5192130, 6230556, 7378290, 7788195, 9345834, 10384260, 14018751, 14756580, 15576390, 18691668, 23364585, 28037502, 31152780, 46729170, 56075004, 70093755, 93458340, 140187510, 280375020]

約数ペア:

[(1, 280375020), (2, 140187510), (3, 93458340), (4, 70093755), (5, 56075004), (6, 46729170), (9, 31152780), (10, 28037502), (12, 23364585), (15, 18691668), (18, 15576390), (19, 14756580), (20, 14018751), (27, 10384260), (30, 9345834), (36, 7788195), (38, 7378290), (45, 6230556), (54, 5192130), (57, 4918860), (60, 4672917), (76, 3689145), (81, 3461420), (90, 3115278), (95, 2951316), (108, 2596065), (114, 2459430), (135, 2076852), (162, 1730710), (171, 1639620), (180, 1557639), (190, 1475658), (228, 1229715), (270, 1038426), (285, 983772), (324, 865355), (342, 819810), (380, 737829), (405, 692284), (513, 546540), (540, 519213), (570, 491886), (684, 409905), (810, 346142), (855, 327924), (1026, 273270), (1140, 245943), (1539, 182180), (1620, 173071), (1710, 163962), (2052, 136635), (2565, 109308), (3078, 91090), (3420, 81981), (5130, 54654), (6156, 45545), (7695, 36436), (9109, 30780), (10260, 27327), (15390, 18218)]