811845840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{260207}}^1$

素因数の和:260236

約数の個数: 80

約数和(自身を含む): 2710326528

約数和(自身を除く): 1898480688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 260207, 520414, 780621, 1040828, 1301035, 1561242, 2081656, 2602070, 3122484, 3382691, 3903105, 4163312, 5204140, 6244968, 6765382, 7806210, 10148073, 10408280, 12489936, 13530764, 15612420, 16913455, 20296146, 20816560, 27061528, 31224840, 33826910, 40592292, 50740365, 54123056, 62449680, 67653820, 81184584, 101480730, 135307640, 162369168, 202961460, 270615280, 405922920, 811845840]

約数ペア:

[(1, 811845840), (2, 405922920), (3, 270615280), (4, 202961460), (5, 162369168), (6, 135307640), (8, 101480730), (10, 81184584), (12, 67653820), (13, 62449680), (15, 54123056), (16, 50740365), (20, 40592292), (24, 33826910), (26, 31224840), (30, 27061528), (39, 20816560), (40, 20296146), (48, 16913455), (52, 15612420), (60, 13530764), (65, 12489936), (78, 10408280), (80, 10148073), (104, 7806210), (120, 6765382), (130, 6244968), (156, 5204140), (195, 4163312), (208, 3903105), (240, 3382691), (260, 3122484), (312, 2602070), (390, 2081656), (520, 1561242), (624, 1301035), (780, 1040828), (1040, 780621), (1560, 520414), (3120, 260207)]