64410280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 171072000

約数和(自身を除く): 106661720

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 79, 85, 88, 109, 110, 136, 158, 170, 187, 218, 220, 316, 340, 374, 395, 436, 440, 545, 632, 680, 748, 790, 869, 872, 935, 1090, 1199, 1343, 1496, 1580, 1738, 1853, 1870, 2180, 2398, 2686, 3160, 3476, 3706, 3740, 4345, 4360, 4796, 5372, 5995, 6715, 6952, 7412, 7480, 8611, 8690, 9265, 9592, 10744, 11990, 13430, 14773, 14824, 17222, 17380, 18530, 20383, 23980, 26860, 29546, 34444, 34760, 37060, 40766, 43055, 47960, 53720, 59092, 68888, 73865, 74120, 81532, 86110, 94721, 101915, 118184, 146387, 147730, 163064, 172220, 189442, 203830, 292774, 295460, 344440, 378884, 407660, 473605, 585548, 590920, 731935, 757768, 815320, 947210, 1171096, 1463870, 1610257, 1894420, 2927740, 3220514, 3788840, 5855480, 6441028, 8051285, 12882056, 16102570, 32205140, 64410280]

約数ペア:

[(1, 64410280), (2, 32205140), (4, 16102570), (5, 12882056), (8, 8051285), (10, 6441028), (11, 5855480), (17, 3788840), (20, 3220514), (22, 2927740), (34, 1894420), (40, 1610257), (44, 1463870), (55, 1171096), (68, 947210), (79, 815320), (85, 757768), (88, 731935), (109, 590920), (110, 585548), (136, 473605), (158, 407660), (170, 378884), (187, 344440), (218, 295460), (220, 292774), (316, 203830), (340, 189442), (374, 172220), (395, 163064), (436, 147730), (440, 146387), (545, 118184), (632, 101915), (680, 94721), (748, 86110), (790, 81532), (869, 74120), (872, 73865), (935, 68888), (1090, 59092), (1199, 53720), (1343, 47960), (1496, 43055), (1580, 40766), (1738, 37060), (1853, 34760), (1870, 34444), (2180, 29546), (2398, 26860), (2686, 23980), (3160, 20383), (3476, 18530), (3706, 17380), (3740, 17222), (4345, 14824), (4360, 14773), (4796, 13430), (5372, 11990), (5995, 10744), (6715, 9592), (6952, 9265), (7412, 8690), (7480, 8611)]