285171720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{3673}}^1$

素因数の和:4334

約数の個数: 64

約数和(自身を含む): 857070720

約数和(自身を除く): 571899000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 647, 1294, 1941, 2588, 3235, 3673, 3882, 5176, 6470, 7346, 7764, 9705, 11019, 12940, 14692, 15528, 18365, 19410, 22038, 25880, 29384, 36730, 38820, 44076, 55095, 73460, 77640, 88152, 110190, 146920, 220380, 440760, 2376431, 4752862, 7129293, 9505724, 11882155, 14258586, 19011448, 23764310, 28517172, 35646465, 47528620, 57034344, 71292930, 95057240, 142585860, 285171720]

約数ペア:

[(1, 285171720), (2, 142585860), (3, 95057240), (4, 71292930), (5, 57034344), (6, 47528620), (8, 35646465), (10, 28517172), (12, 23764310), (15, 19011448), (20, 14258586), (24, 11882155), (30, 9505724), (40, 7129293), (60, 4752862), (120, 2376431), (647, 440760), (1294, 220380), (1941, 146920), (2588, 110190), (3235, 88152), (3673, 77640), (3882, 73460), (5176, 55095), (6470, 44076), (7346, 38820), (7764, 36730), (9705, 29384), (11019, 25880), (12940, 22038), (14692, 19410), (15528, 18365)]