144865360

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:608

約数の個数: 80

約数和(自身を含む): 349866000

約数和(自身を除く): 205000640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 109, 148, 185, 218, 296, 370, 436, 449, 545, 592, 740, 872, 898, 1090, 1480, 1744, 1796, 2180, 2245, 2960, 3592, 4033, 4360, 4490, 7184, 8066, 8720, 8980, 16132, 16613, 17960, 20165, 32264, 33226, 35920, 40330, 48941, 64528, 66452, 80660, 83065, 97882, 132904, 161320, 166130, 195764, 244705, 265808, 322640, 332260, 391528, 489410, 664520, 783056, 978820, 1329040, 1810817, 1957640, 3621634, 3915280, 7243268, 9054085, 14486536, 18108170, 28973072, 36216340, 72432680, 144865360]

約数ペア:

[(1, 144865360), (2, 72432680), (4, 36216340), (5, 28973072), (8, 18108170), (10, 14486536), (16, 9054085), (20, 7243268), (37, 3915280), (40, 3621634), (74, 1957640), (80, 1810817), (109, 1329040), (148, 978820), (185, 783056), (218, 664520), (296, 489410), (370, 391528), (436, 332260), (449, 322640), (545, 265808), (592, 244705), (740, 195764), (872, 166130), (898, 161320), (1090, 132904), (1480, 97882), (1744, 83065), (1796, 80660), (2180, 66452), (2245, 64528), (2960, 48941), (3592, 40330), (4033, 35920), (4360, 33226), (4490, 32264), (7184, 20165), (8066, 17960), (8720, 16613), (8980, 16132)]