201989520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{280541}}^1$

素因数の和:280560

約数の個数: 60

約数和(自身を含む): 678350556

約数和(自身を除く): 476361036

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, 280541, 561082, 841623, 1122164, 1402705, 1683246, 2244328, 2524869, 2805410, 3366492, 4208115, 4488656, 5049738, 5610820, 6732984, 8416230, 10099476, 11221640, 12624345, 13465968, 16832460, 20198952, 22443280, 25248690, 33664920, 40397904, 50497380, 67329840, 100994760, 201989520]

約数ペア:

[(1, 201989520), (2, 100994760), (3, 67329840), (4, 50497380), (5, 40397904), (6, 33664920), (8, 25248690), (9, 22443280), (10, 20198952), (12, 16832460), (15, 13465968), (16, 12624345), (18, 11221640), (20, 10099476), (24, 8416230), (30, 6732984), (36, 5610820), (40, 5049738), (45, 4488656), (48, 4208115), (60, 3366492), (72, 2805410), (80, 2524869), (90, 2244328), (120, 1683246), (144, 1402705), (180, 1122164), (240, 841623), (360, 561082), (720, 280541)]