90700440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:461

約数の個数: 128

約数和(自身を含む): 290900160

約数和(自身を除く): 200199720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 173, 204, 255, 257, 340, 346, 408, 510, 514, 519, 680, 692, 771, 865, 1020, 1028, 1038, 1285, 1384, 1542, 1730, 2040, 2056, 2076, 2570, 2595, 2941, 3084, 3460, 3855, 4152, 4369, 5140, 5190, 5882, 6168, 6920, 7710, 8738, 8823, 10280, 10380, 11764, 13107, 14705, 15420, 17476, 17646, 20760, 21845, 23528, 26214, 29410, 30840, 34952, 35292, 43690, 44115, 44461, 52428, 58820, 65535, 70584, 87380, 88230, 88922, 104856, 117640, 131070, 133383, 174760, 176460, 177844, 222305, 262140, 266766, 352920, 355688, 444610, 524280, 533532, 666915, 755837, 889220, 1067064, 1333830, 1511674, 1778440, 2267511, 2667660, 3023348, 3779185, 4535022, 5335320, 6046696, 7558370, 9070044, 11337555, 15116740, 18140088, 22675110, 30233480, 45350220, 90700440]

約数ペア:

[(1, 90700440), (2, 45350220), (3, 30233480), (4, 22675110), (5, 18140088), (6, 15116740), (8, 11337555), (10, 9070044), (12, 7558370), (15, 6046696), (17, 5335320), (20, 4535022), (24, 3779185), (30, 3023348), (34, 2667660), (40, 2267511), (51, 1778440), (60, 1511674), (68, 1333830), (85, 1067064), (102, 889220), (120, 755837), (136, 666915), (170, 533532), (173, 524280), (204, 444610), (255, 355688), (257, 352920), (340, 266766), (346, 262140), (408, 222305), (510, 177844), (514, 176460), (519, 174760), (680, 133383), (692, 131070), (771, 117640), (865, 104856), (1020, 88922), (1028, 88230), (1038, 87380), (1285, 70584), (1384, 65535), (1542, 58820), (1730, 52428), (2040, 44461), (2056, 44115), (2076, 43690), (2570, 35292), (2595, 34952), (2941, 30840), (3084, 29410), (3460, 26214), (3855, 23528), (4152, 21845), (4369, 20760), (5140, 17646), (5190, 17476), (5882, 15420), (6168, 14705), (6920, 13107), (7710, 11764), (8738, 10380), (8823, 10280)]