72428580

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{2129}}^1$

素因数の和:2160

約数の個数: 144

約数和(自身を含む): 260507520

約数和(自身を除く): 188078940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 945, 972, 1134, 1215, 1260, 1620, 1701, 1890, 2129, 2268, 2430, 2835, 3402, 3780, 4258, 4860, 5670, 6387, 6804, 8505, 8516, 10645, 11340, 12774, 14903, 17010, 19161, 21290, 25548, 29806, 31935, 34020, 38322, 42580, 44709, 57483, 59612, 63870, 74515, 76644, 89418, 95805, 114966, 127740, 134127, 149030, 172449, 178836, 191610, 223545, 229932, 268254, 287415, 298060, 344898, 383220, 402381, 447090, 517347, 536508, 574830, 670635, 689796, 804762, 862245, 894180, 1034694, 1149660, 1207143, 1341270, 1609524, 1724490, 2011905, 2069388, 2414286, 2586735, 2682540, 3448980, 3621429, 4023810, 4828572, 5173470, 6035715, 7242858, 8047620, 10346940, 12071430, 14485716, 18107145, 24142860, 36214290, 72428580]

約数ペア:

[(1, 72428580), (2, 36214290), (3, 24142860), (4, 18107145), (5, 14485716), (6, 12071430), (7, 10346940), (9, 8047620), (10, 7242858), (12, 6035715), (14, 5173470), (15, 4828572), (18, 4023810), (20, 3621429), (21, 3448980), (27, 2682540), (28, 2586735), (30, 2414286), (35, 2069388), (36, 2011905), (42, 1724490), (45, 1609524), (54, 1341270), (60, 1207143), (63, 1149660), (70, 1034694), (81, 894180), (84, 862245), (90, 804762), (105, 689796), (108, 670635), (126, 574830), (135, 536508), (140, 517347), (162, 447090), (180, 402381), (189, 383220), (210, 344898), (243, 298060), (252, 287415), (270, 268254), (315, 229932), (324, 223545), (378, 191610), (405, 178836), (420, 172449), (486, 149030), (540, 134127), (567, 127740), (630, 114966), (756, 95805), (810, 89418), (945, 76644), (972, 74515), (1134, 63870), (1215, 59612), (1260, 57483), (1620, 44709), (1701, 42580), (1890, 38322), (2129, 34020), (2268, 31935), (2430, 29806), (2835, 25548), (3402, 21290), (3780, 19161), (4258, 17010), (4860, 14903), (5670, 12774), (6387, 11340), (6804, 10645), (8505, 8516)]