66463840

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:264

約数の個数: 96

約数和(自身を含む): 164324160

約数和(自身を除く): 97860320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 103, 109, 148, 160, 185, 206, 218, 296, 370, 412, 436, 515, 545, 592, 740, 824, 872, 1030, 1090, 1184, 1480, 1648, 1744, 2060, 2180, 2960, 3296, 3488, 3811, 4033, 4120, 4360, 5920, 7622, 8066, 8240, 8720, 11227, 15244, 16132, 16480, 17440, 19055, 20165, 22454, 30488, 32264, 38110, 40330, 44908, 56135, 60976, 64528, 76220, 80660, 89816, 112270, 121952, 129056, 152440, 161320, 179632, 224540, 304880, 322640, 359264, 415399, 449080, 609760, 645280, 830798, 898160, 1661596, 1796320, 2076995, 3323192, 4153990, 6646384, 8307980, 13292768, 16615960, 33231920, 66463840]

約数ペア:

[(1, 66463840), (2, 33231920), (4, 16615960), (5, 13292768), (8, 8307980), (10, 6646384), (16, 4153990), (20, 3323192), (32, 2076995), (37, 1796320), (40, 1661596), (74, 898160), (80, 830798), (103, 645280), (109, 609760), (148, 449080), (160, 415399), (185, 359264), (206, 322640), (218, 304880), (296, 224540), (370, 179632), (412, 161320), (436, 152440), (515, 129056), (545, 121952), (592, 112270), (740, 89816), (824, 80660), (872, 76220), (1030, 64528), (1090, 60976), (1184, 56135), (1480, 44908), (1648, 40330), (1744, 38110), (2060, 32264), (2180, 30488), (2960, 22454), (3296, 20165), (3488, 19055), (3811, 17440), (4033, 16480), (4120, 16132), (4360, 15244), (5920, 11227), (7622, 8720), (8066, 8240)]