61401420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7933}}^1$

素因数の和:7991

約数の個数: 72

約数和(自身を含む): 190606416

約数和(自身を除く): 129204996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 7933, 15866, 23799, 31732, 39665, 47598, 71397, 79330, 95196, 118995, 142794, 158660, 237990, 285588, 341119, 356985, 475980, 682238, 713970, 1023357, 1364476, 1427940, 1705595, 2046714, 3070071, 3411190, 4093428, 5116785, 6140142, 6822380, 10233570, 12280284, 15350355, 20467140, 30700710, 61401420]

約数ペア:

[(1, 61401420), (2, 30700710), (3, 20467140), (4, 15350355), (5, 12280284), (6, 10233570), (9, 6822380), (10, 6140142), (12, 5116785), (15, 4093428), (18, 3411190), (20, 3070071), (30, 2046714), (36, 1705595), (43, 1427940), (45, 1364476), (60, 1023357), (86, 713970), (90, 682238), (129, 475980), (172, 356985), (180, 341119), (215, 285588), (258, 237990), (387, 158660), (430, 142794), (516, 118995), (645, 95196), (774, 79330), (860, 71397), (1290, 47598), (1548, 39665), (1935, 31732), (2580, 23799), (3870, 15866), (7740, 7933)]