89107840

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 128

約数和(自身を含む): 226048320

約数和(自身を除く): 136940480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 53, 64, 71, 74, 80, 106, 128, 142, 148, 160, 185, 212, 265, 284, 296, 320, 355, 370, 424, 530, 568, 592, 640, 710, 740, 848, 1060, 1136, 1184, 1420, 1480, 1696, 1961, 2120, 2272, 2368, 2627, 2840, 2960, 3392, 3763, 3922, 4240, 4544, 4736, 5254, 5680, 5920, 6784, 7526, 7844, 8480, 9088, 9805, 10508, 11360, 11840, 13135, 15052, 15688, 16960, 18815, 19610, 21016, 22720, 23680, 26270, 30104, 31376, 33920, 37630, 39220, 42032, 45440, 52540, 60208, 62752, 75260, 78440, 84064, 105080, 120416, 125504, 139231, 150520, 156880, 168128, 210160, 240832, 251008, 278462, 301040, 313760, 336256, 420320, 481664, 556924, 602080, 627520, 696155, 840640, 1113848, 1204160, 1255040, 1392310, 1681280, 2227696, 2408320, 2784620, 4455392, 5569240, 8910784, 11138480, 17821568, 22276960, 44553920, 89107840]

約数ペア:

[(1, 89107840), (2, 44553920), (4, 22276960), (5, 17821568), (8, 11138480), (10, 8910784), (16, 5569240), (20, 4455392), (32, 2784620), (37, 2408320), (40, 2227696), (53, 1681280), (64, 1392310), (71, 1255040), (74, 1204160), (80, 1113848), (106, 840640), (128, 696155), (142, 627520), (148, 602080), (160, 556924), (185, 481664), (212, 420320), (265, 336256), (284, 313760), (296, 301040), (320, 278462), (355, 251008), (370, 240832), (424, 210160), (530, 168128), (568, 156880), (592, 150520), (640, 139231), (710, 125504), (740, 120416), (848, 105080), (1060, 84064), (1136, 78440), (1184, 75260), (1420, 62752), (1480, 60208), (1696, 52540), (1961, 45440), (2120, 42032), (2272, 39220), (2368, 37630), (2627, 33920), (2840, 31376), (2960, 30104), (3392, 26270), (3763, 23680), (3922, 22720), (4240, 21016), (4544, 19610), (4736, 18815), (5254, 16960), (5680, 15688), (5920, 15052), (6784, 13135), (7526, 11840), (7844, 11360), (8480, 10508), (9088, 9805)]