155417040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{215857}}^1$

素因数の和:215876

約数の個数: 60

約数和(自身を含む): 521944644

約数和(自身を除く): 366527604

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 215857, 431714, 647571, 863428, 1079285, 1295142, 1726856, 1942713, 2158570, 2590284, 3237855, 3453712, 3885426, 4317140, 5180568, 6475710, 7770852, 8634280, 9713565, 10361136, 12951420, 15541704, 17268560, 19427130, 25902840, 31083408, 38854260, 51805680, 77708520, 155417040]

約数ペア:

[(1, 155417040), (2, 77708520), (3, 51805680), (4, 38854260), (5, 31083408), (6, 25902840), (8, 19427130), (9, 17268560), (10, 15541704), (12, 12951420), (15, 10361136), (16, 9713565), (18, 8634280), (20, 7770852), (24, 6475710), (30, 5180568), (36, 4317140), (40, 3885426), (45, 3453712), (48, 3237855), (60, 2590284), (72, 2158570), (80, 1942713), (90, 1726856), (120, 1295142), (144, 1079285), (180, 863428), (240, 647571), (360, 431714), (720, 215857)]