121267840

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2129}}^1$

素因数の和:2237

約数の個数: 64

約数和(自身を含む): 293301000

約数和(自身を除く): 172033160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 320, 356, 445, 640, 712, 890, 1424, 1780, 2129, 2848, 3560, 4258, 5696, 7120, 8516, 10645, 11392, 14240, 17032, 21290, 28480, 34064, 42580, 56960, 68128, 85160, 136256, 170320, 189481, 272512, 340640, 378962, 681280, 757924, 947405, 1362560, 1515848, 1894810, 3031696, 3789620, 6063392, 7579240, 12126784, 15158480, 24253568, 30316960, 60633920, 121267840]

約数ペア:

[(1, 121267840), (2, 60633920), (4, 30316960), (5, 24253568), (8, 15158480), (10, 12126784), (16, 7579240), (20, 6063392), (32, 3789620), (40, 3031696), (64, 1894810), (80, 1515848), (89, 1362560), (128, 947405), (160, 757924), (178, 681280), (320, 378962), (356, 340640), (445, 272512), (640, 189481), (712, 170320), (890, 136256), (1424, 85160), (1780, 68128), (2129, 56960), (2848, 42580), (3560, 34064), (4258, 28480), (5696, 21290), (7120, 17032), (8516, 14240), (10645, 11392)]