67149160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{491}}^1$

素因数の和:778

約数の個数: 64

約数和(自身を含む): 163658880

約数和(自身を除く): 96509720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 263, 491, 520, 526, 982, 1052, 1315, 1964, 2104, 2455, 2630, 3419, 3928, 4910, 5260, 6383, 6838, 9820, 10520, 12766, 13676, 17095, 19640, 25532, 27352, 31915, 34190, 51064, 63830, 68380, 127660, 129133, 136760, 255320, 258266, 516532, 645665, 1033064, 1291330, 1678729, 2582660, 3357458, 5165320, 6714916, 8393645, 13429832, 16787290, 33574580, 67149160]

約数ペア:

[(1, 67149160), (2, 33574580), (4, 16787290), (5, 13429832), (8, 8393645), (10, 6714916), (13, 5165320), (20, 3357458), (26, 2582660), (40, 1678729), (52, 1291330), (65, 1033064), (104, 645665), (130, 516532), (260, 258266), (263, 255320), (491, 136760), (520, 129133), (526, 127660), (982, 68380), (1052, 63830), (1315, 51064), (1964, 34190), (2104, 31915), (2455, 27352), (2630, 25532), (3419, 19640), (3928, 17095), (4910, 13676), (5260, 12766), (6383, 10520), (6838, 9820)]