254444940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{8171}}^1$

素因数の和:8359

約数の個数: 72

約数和(自身を含む): 776372688

約数和(自身を除く): 521927748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 692, 865, 1038, 1557, 1730, 2076, 2595, 3114, 3460, 5190, 6228, 7785, 8171, 10380, 15570, 16342, 24513, 31140, 32684, 40855, 49026, 73539, 81710, 98052, 122565, 147078, 163420, 245130, 294156, 367695, 490260, 735390, 1413583, 1470780, 2827166, 4240749, 5654332, 7067915, 8481498, 12722247, 14135830, 16962996, 21203745, 25444494, 28271660, 42407490, 50888988, 63611235, 84814980, 127222470, 254444940]

約数ペア:

[(1, 254444940), (2, 127222470), (3, 84814980), (4, 63611235), (5, 50888988), (6, 42407490), (9, 28271660), (10, 25444494), (12, 21203745), (15, 16962996), (18, 14135830), (20, 12722247), (30, 8481498), (36, 7067915), (45, 5654332), (60, 4240749), (90, 2827166), (173, 1470780), (180, 1413583), (346, 735390), (519, 490260), (692, 367695), (865, 294156), (1038, 245130), (1557, 163420), (1730, 147078), (2076, 122565), (2595, 98052), (3114, 81710), (3460, 73539), (5190, 49026), (6228, 40855), (7785, 32684), (8171, 31140), (10380, 24513), (15570, 16342)]