268530780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{613}}^1$

素因数の和:788

約数の個数: 144

約数和(自身を含む): 881949600

約数和(自身を除く): 613418820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 149, 196, 210, 245, 294, 298, 420, 447, 490, 588, 596, 613, 735, 745, 894, 980, 1043, 1226, 1470, 1490, 1788, 1839, 2086, 2235, 2452, 2940, 2980, 3065, 3129, 3678, 4172, 4291, 4470, 5215, 6130, 6258, 7301, 7356, 8582, 8940, 9195, 10430, 12260, 12516, 12873, 14602, 15645, 17164, 18390, 20860, 21455, 21903, 25746, 29204, 30037, 31290, 36505, 36780, 42910, 43806, 51492, 60074, 62580, 64365, 73010, 85820, 87612, 90111, 91337, 109515, 120148, 128730, 146020, 150185, 180222, 182674, 219030, 257460, 274011, 300370, 360444, 365348, 438060, 450555, 456685, 548022, 600740, 639359, 901110, 913370, 1096044, 1278718, 1370055, 1802220, 1826740, 1918077, 2557436, 2740110, 3196795, 3836154, 4475513, 5480220, 6393590, 7672308, 8951026, 9590385, 12787180, 13426539, 17902052, 19180770, 22377565, 26853078, 38361540, 44755130, 53706156, 67132695, 89510260, 134265390, 268530780]

約数ペア:

[(1, 268530780), (2, 134265390), (3, 89510260), (4, 67132695), (5, 53706156), (6, 44755130), (7, 38361540), (10, 26853078), (12, 22377565), (14, 19180770), (15, 17902052), (20, 13426539), (21, 12787180), (28, 9590385), (30, 8951026), (35, 7672308), (42, 6393590), (49, 5480220), (60, 4475513), (70, 3836154), (84, 3196795), (98, 2740110), (105, 2557436), (140, 1918077), (147, 1826740), (149, 1802220), (196, 1370055), (210, 1278718), (245, 1096044), (294, 913370), (298, 901110), (420, 639359), (447, 600740), (490, 548022), (588, 456685), (596, 450555), (613, 438060), (735, 365348), (745, 360444), (894, 300370), (980, 274011), (1043, 257460), (1226, 219030), (1470, 182674), (1490, 180222), (1788, 150185), (1839, 146020), (2086, 128730), (2235, 120148), (2452, 109515), (2940, 91337), (2980, 90111), (3065, 87612), (3129, 85820), (3678, 73010), (4172, 64365), (4291, 62580), (4470, 60074), (5215, 51492), (6130, 43806), (6258, 42910), (7301, 36780), (7356, 36505), (8582, 31290), (8940, 30037), (9195, 29204), (10430, 25746), (12260, 21903), (12516, 21455), (12873, 20860), (14602, 18390), (15645, 17164)]