80168520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{3691}}^1$

素因数の和:3886

約数の個数: 64

約数和(自身を含む): 241899840

約数和(自身を除く): 161731320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 181, 362, 543, 724, 905, 1086, 1448, 1810, 2172, 2715, 3620, 3691, 4344, 5430, 7240, 7382, 10860, 11073, 14764, 18455, 21720, 22146, 29528, 36910, 44292, 55365, 73820, 88584, 110730, 147640, 221460, 442920, 668071, 1336142, 2004213, 2672284, 3340355, 4008426, 5344568, 6680710, 8016852, 10021065, 13361420, 16033704, 20042130, 26722840, 40084260, 80168520]

約数ペア:

[(1, 80168520), (2, 40084260), (3, 26722840), (4, 20042130), (5, 16033704), (6, 13361420), (8, 10021065), (10, 8016852), (12, 6680710), (15, 5344568), (20, 4008426), (24, 3340355), (30, 2672284), (40, 2004213), (60, 1336142), (120, 668071), (181, 442920), (362, 221460), (543, 147640), (724, 110730), (905, 88584), (1086, 73820), (1448, 55365), (1810, 44292), (2172, 36910), (2715, 29528), (3620, 22146), (3691, 21720), (4344, 18455), (5430, 14764), (7240, 11073), (7382, 10860)]