251280120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23011}}^1$

素因数の和:23045

約数の個数: 128

約数和(自身を含む): 927843840

約数和(自身を除く): 676563720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 23011, 46022, 69033, 92044, 115055, 138066, 161077, 184088, 230110, 276132, 299143, 322154, 345165, 460220, 483231, 552264, 598286, 644308, 690330, 805385, 897429, 920440, 966462, 1196572, 1288616, 1380660, 1495715, 1610770, 1794858, 1932924, 2094001, 2393144, 2416155, 2761320, 2991430, 3221540, 3589716, 3865848, 4188002, 4487145, 4832310, 5982860, 6282003, 6443080, 7179432, 8376004, 8974290, 9664620, 10470005, 11965720, 12564006, 16752008, 17948580, 19329240, 20940010, 25128012, 31410015, 35897160, 41880020, 50256024, 62820030, 83760040, 125640060, 251280120]

約数ペア:

[(1, 251280120), (2, 125640060), (3, 83760040), (4, 62820030), (5, 50256024), (6, 41880020), (7, 35897160), (8, 31410015), (10, 25128012), (12, 20940010), (13, 19329240), (14, 17948580), (15, 16752008), (20, 12564006), (21, 11965720), (24, 10470005), (26, 9664620), (28, 8974290), (30, 8376004), (35, 7179432), (39, 6443080), (40, 6282003), (42, 5982860), (52, 4832310), (56, 4487145), (60, 4188002), (65, 3865848), (70, 3589716), (78, 3221540), (84, 2991430), (91, 2761320), (104, 2416155), (105, 2393144), (120, 2094001), (130, 1932924), (140, 1794858), (156, 1610770), (168, 1495715), (182, 1380660), (195, 1288616), (210, 1196572), (260, 966462), (273, 920440), (280, 897429), (312, 805385), (364, 690330), (390, 644308), (420, 598286), (455, 552264), (520, 483231), (546, 460220), (728, 345165), (780, 322154), (840, 299143), (910, 276132), (1092, 230110), (1365, 184088), (1560, 161077), (1820, 138066), (2184, 115055), (2730, 92044), (3640, 69033), (5460, 46022), (10920, 23011)]