87720480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{60917}}^1$

素因数の和:60938

約数の個数: 72

約数和(自身を含む): 299351052

約数和(自身を除く): 211630572

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 60917, 121834, 182751, 243668, 304585, 365502, 487336, 548253, 609170, 731004, 913755, 974672, 1096506, 1218340, 1462008, 1827510, 1949344, 2193012, 2436680, 2741265, 2924016, 3655020, 4386024, 4873360, 5482530, 5848032, 7310040, 8772048, 9746720, 10965060, 14620080, 17544096, 21930120, 29240160, 43860240, 87720480]

約数ペア:

[(1, 87720480), (2, 43860240), (3, 29240160), (4, 21930120), (5, 17544096), (6, 14620080), (8, 10965060), (9, 9746720), (10, 8772048), (12, 7310040), (15, 5848032), (16, 5482530), (18, 4873360), (20, 4386024), (24, 3655020), (30, 2924016), (32, 2741265), (36, 2436680), (40, 2193012), (45, 1949344), (48, 1827510), (60, 1462008), (72, 1218340), (80, 1096506), (90, 974672), (96, 913755), (120, 731004), (144, 609170), (160, 548253), (180, 487336), (240, 365502), (288, 304585), (360, 243668), (480, 182751), (720, 121834), (1440, 60917)]