128201520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{534173}}^1$

素因数の和:534189

約数の個数: 40

約数和(自身を含む): 397425456

約数和(自身を除く): 269223936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 534173, 1068346, 1602519, 2136692, 2670865, 3205038, 4273384, 5341730, 6410076, 8012595, 8546768, 10683460, 12820152, 16025190, 21366920, 25640304, 32050380, 42733840, 64100760, 128201520]

約数ペア:

[(1, 128201520), (2, 64100760), (3, 42733840), (4, 32050380), (5, 25640304), (6, 21366920), (8, 16025190), (10, 12820152), (12, 10683460), (15, 8546768), (16, 8012595), (20, 6410076), (24, 5341730), (30, 4273384), (40, 3205038), (48, 2670865), (60, 2136692), (80, 1602519), (120, 1068346), (240, 534173)]