55418940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{617}}^1$

素因数の和:1131

約数の個数: 72

約数和(自身を含む): 168714000

約数和(自身を除く): 113295060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 499, 617, 998, 1234, 1497, 1851, 1996, 2468, 2495, 2994, 3085, 3702, 4491, 4990, 5553, 5988, 6170, 7404, 7485, 8982, 9255, 9980, 11106, 12340, 14970, 17964, 18510, 22212, 22455, 27765, 29940, 37020, 44910, 55530, 89820, 111060, 307883, 615766, 923649, 1231532, 1539415, 1847298, 2770947, 3078830, 3694596, 4618245, 5541894, 6157660, 9236490, 11083788, 13854735, 18472980, 27709470, 55418940]

約数ペア:

[(1, 55418940), (2, 27709470), (3, 18472980), (4, 13854735), (5, 11083788), (6, 9236490), (9, 6157660), (10, 5541894), (12, 4618245), (15, 3694596), (18, 3078830), (20, 2770947), (30, 1847298), (36, 1539415), (45, 1231532), (60, 923649), (90, 615766), (180, 307883), (499, 111060), (617, 89820), (998, 55530), (1234, 44910), (1497, 37020), (1851, 29940), (1996, 27765), (2468, 22455), (2495, 22212), (2994, 18510), (3085, 17964), (3702, 14970), (4491, 12340), (4990, 11106), (5553, 9980), (5988, 9255), (6170, 8982), (7404, 7485)]