256516320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{17239}}^1$

素因数の和:17288

約数の個数: 96

約数和(自身を含む): 834140160

約数和(自身を除く): 577623840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 620, 744, 930, 992, 1240, 1488, 1860, 2480, 2976, 3720, 4960, 7440, 14880, 17239, 34478, 51717, 68956, 86195, 103434, 137912, 172390, 206868, 258585, 275824, 344780, 413736, 517170, 534409, 551648, 689560, 827472, 1034340, 1068818, 1379120, 1603227, 1654944, 2068680, 2137636, 2672045, 2758240, 3206454, 4137360, 4275272, 5344090, 6412908, 8016135, 8274720, 8550544, 10688180, 12825816, 16032270, 17101088, 21376360, 25651632, 32064540, 42752720, 51303264, 64129080, 85505440, 128258160, 256516320]

約数ペア:

[(1, 256516320), (2, 128258160), (3, 85505440), (4, 64129080), (5, 51303264), (6, 42752720), (8, 32064540), (10, 25651632), (12, 21376360), (15, 17101088), (16, 16032270), (20, 12825816), (24, 10688180), (30, 8550544), (31, 8274720), (32, 8016135), (40, 6412908), (48, 5344090), (60, 4275272), (62, 4137360), (80, 3206454), (93, 2758240), (96, 2672045), (120, 2137636), (124, 2068680), (155, 1654944), (160, 1603227), (186, 1379120), (240, 1068818), (248, 1034340), (310, 827472), (372, 689560), (465, 551648), (480, 534409), (496, 517170), (620, 413736), (744, 344780), (930, 275824), (992, 258585), (1240, 206868), (1488, 172390), (1860, 137912), (2480, 103434), (2976, 86195), (3720, 68956), (4960, 51717), (7440, 34478), (14880, 17239)]