64356560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{599}}^1$

素因数の和:708

約数の個数: 80

約数和(自身を含む): 160704000

約数和(自身を除く): 96347440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 79, 80, 85, 136, 158, 170, 272, 316, 340, 395, 599, 632, 680, 790, 1198, 1264, 1343, 1360, 1580, 2396, 2686, 2995, 3160, 4792, 5372, 5990, 6320, 6715, 9584, 10183, 10744, 11980, 13430, 20366, 21488, 23960, 26860, 40732, 47321, 47920, 50915, 53720, 81464, 94642, 101830, 107440, 162928, 189284, 203660, 236605, 378568, 407320, 473210, 757136, 804457, 814640, 946420, 1608914, 1892840, 3217828, 3785680, 4022285, 6435656, 8044570, 12871312, 16089140, 32178280, 64356560]

約数ペア:

[(1, 64356560), (2, 32178280), (4, 16089140), (5, 12871312), (8, 8044570), (10, 6435656), (16, 4022285), (17, 3785680), (20, 3217828), (34, 1892840), (40, 1608914), (68, 946420), (79, 814640), (80, 804457), (85, 757136), (136, 473210), (158, 407320), (170, 378568), (272, 236605), (316, 203660), (340, 189284), (395, 162928), (599, 107440), (632, 101830), (680, 94642), (790, 81464), (1198, 53720), (1264, 50915), (1343, 47920), (1360, 47321), (1580, 40732), (2396, 26860), (2686, 23960), (2995, 21488), (3160, 20366), (4792, 13430), (5372, 11980), (5990, 10744), (6320, 10183), (6715, 9584)]