320435820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{6569}}^1$

素因数の和:6855

約数の個数: 72

約数和(自身を含む): 975723840

約数和(自身を除く): 655288020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 271, 542, 813, 1084, 1355, 1626, 2439, 2710, 3252, 4065, 4878, 5420, 6569, 8130, 9756, 12195, 13138, 16260, 19707, 24390, 26276, 32845, 39414, 48780, 59121, 65690, 78828, 98535, 118242, 131380, 197070, 236484, 295605, 394140, 591210, 1182420, 1780199, 3560398, 5340597, 7120796, 8900995, 10681194, 16021791, 17801990, 21362388, 26702985, 32043582, 35603980, 53405970, 64087164, 80108955, 106811940, 160217910, 320435820]

約数ペア:

[(1, 320435820), (2, 160217910), (3, 106811940), (4, 80108955), (5, 64087164), (6, 53405970), (9, 35603980), (10, 32043582), (12, 26702985), (15, 21362388), (18, 17801990), (20, 16021791), (30, 10681194), (36, 8900995), (45, 7120796), (60, 5340597), (90, 3560398), (180, 1780199), (271, 1182420), (542, 591210), (813, 394140), (1084, 295605), (1355, 236484), (1626, 197070), (2439, 131380), (2710, 118242), (3252, 98535), (4065, 78828), (4878, 65690), (5420, 59121), (6569, 48780), (8130, 39414), (9756, 32845), (12195, 26276), (13138, 24390), (16260, 19707)]