320907960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{12919}}^1$

素因数の和:12962

約数の個数: 128

約数和(自身を含む): 1116288000

約数和(自身を除く): 795380040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 108, 115, 120, 135, 138, 180, 184, 207, 216, 230, 270, 276, 345, 360, 414, 460, 540, 552, 621, 690, 828, 920, 1035, 1080, 1242, 1380, 1656, 2070, 2484, 2760, 3105, 4140, 4968, 6210, 8280, 12420, 12919, 24840, 25838, 38757, 51676, 64595, 77514, 103352, 116271, 129190, 155028, 193785, 232542, 258380, 297137, 310056, 348813, 387570, 465084, 516760, 581355, 594274, 697626, 775140, 891411, 930168, 1162710, 1188548, 1395252, 1485685, 1550280, 1744065, 1782822, 2325420, 2377096, 2674233, 2790504, 2971370, 3488130, 3565644, 4457055, 4650840, 5348466, 5942740, 6976260, 7131288, 8022699, 8914110, 10696932, 11885480, 13371165, 13952520, 16045398, 17828220, 21393864, 26742330, 32090796, 35656440, 40113495, 53484660, 64181592, 80226990, 106969320, 160453980, 320907960]

約数ペア:

[(1, 320907960), (2, 160453980), (3, 106969320), (4, 80226990), (5, 64181592), (6, 53484660), (8, 40113495), (9, 35656440), (10, 32090796), (12, 26742330), (15, 21393864), (18, 17828220), (20, 16045398), (23, 13952520), (24, 13371165), (27, 11885480), (30, 10696932), (36, 8914110), (40, 8022699), (45, 7131288), (46, 6976260), (54, 5942740), (60, 5348466), (69, 4650840), (72, 4457055), (90, 3565644), (92, 3488130), (108, 2971370), (115, 2790504), (120, 2674233), (135, 2377096), (138, 2325420), (180, 1782822), (184, 1744065), (207, 1550280), (216, 1485685), (230, 1395252), (270, 1188548), (276, 1162710), (345, 930168), (360, 891411), (414, 775140), (460, 697626), (540, 594274), (552, 581355), (621, 516760), (690, 465084), (828, 387570), (920, 348813), (1035, 310056), (1080, 297137), (1242, 258380), (1380, 232542), (1656, 193785), (2070, 155028), (2484, 129190), (2760, 116271), (3105, 103352), (4140, 77514), (4968, 64595), (6210, 51676), (8280, 38757), (12420, 25838), (12919, 24840)]