64205360

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:358

約数の個数: 80

約数和(自身を含む): 155496000

約数和(自身を除く): 91290640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 109, 148, 185, 199, 218, 296, 370, 398, 436, 545, 592, 740, 796, 872, 995, 1090, 1480, 1592, 1744, 1990, 2180, 2960, 3184, 3980, 4033, 4360, 7363, 7960, 8066, 8720, 14726, 15920, 16132, 20165, 21691, 29452, 32264, 36815, 40330, 43382, 58904, 64528, 73630, 80660, 86764, 108455, 117808, 147260, 161320, 173528, 216910, 294520, 322640, 347056, 433820, 589040, 802567, 867640, 1605134, 1735280, 3210268, 4012835, 6420536, 8025670, 12841072, 16051340, 32102680, 64205360]

約数ペア:

[(1, 64205360), (2, 32102680), (4, 16051340), (5, 12841072), (8, 8025670), (10, 6420536), (16, 4012835), (20, 3210268), (37, 1735280), (40, 1605134), (74, 867640), (80, 802567), (109, 589040), (148, 433820), (185, 347056), (199, 322640), (218, 294520), (296, 216910), (370, 173528), (398, 161320), (436, 147260), (545, 117808), (592, 108455), (740, 86764), (796, 80660), (872, 73630), (995, 64528), (1090, 58904), (1480, 43382), (1592, 40330), (1744, 36815), (1990, 32264), (2180, 29452), (2960, 21691), (3184, 20165), (3980, 16132), (4033, 15920), (4360, 14726), (7363, 8720), (7960, 8066)]