9986940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{491}}^1$

素因数の和:619

約数の個数: 72

約数和(自身を含む): 30624048

約数和(自身を除く): 20637108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 113, 180, 226, 339, 452, 491, 565, 678, 982, 1017, 1130, 1356, 1473, 1695, 1964, 2034, 2260, 2455, 2946, 3390, 4068, 4419, 4910, 5085, 5892, 6780, 7365, 8838, 9820, 10170, 14730, 17676, 20340, 22095, 29460, 44190, 55483, 88380, 110966, 166449, 221932, 277415, 332898, 499347, 554830, 665796, 832245, 998694, 1109660, 1664490, 1997388, 2496735, 3328980, 4993470, 9986940]

約数ペア:

[(1, 9986940), (2, 4993470), (3, 3328980), (4, 2496735), (5, 1997388), (6, 1664490), (9, 1109660), (10, 998694), (12, 832245), (15, 665796), (18, 554830), (20, 499347), (30, 332898), (36, 277415), (45, 221932), (60, 166449), (90, 110966), (113, 88380), (180, 55483), (226, 44190), (339, 29460), (452, 22095), (491, 20340), (565, 17676), (678, 14730), (982, 10170), (1017, 9820), (1130, 8838), (1356, 7365), (1473, 6780), (1695, 5892), (1964, 5085), (2034, 4910), (2260, 4419), (2455, 4068), (2946, 3390)]