18440280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{283}}^1$

素因数の和:481

約数の個数: 96

約数和(自身を含む): 60474960

約数和(自身を除く): 42034680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 181, 283, 360, 362, 543, 566, 724, 849, 905, 1086, 1132, 1415, 1448, 1629, 1698, 1810, 2172, 2264, 2547, 2715, 2830, 3258, 3396, 3620, 4245, 4344, 5094, 5430, 5660, 6516, 6792, 7240, 8145, 8490, 10188, 10860, 11320, 12735, 13032, 16290, 16980, 20376, 21720, 25470, 32580, 33960, 50940, 51223, 65160, 101880, 102446, 153669, 204892, 256115, 307338, 409784, 461007, 512230, 614676, 768345, 922014, 1024460, 1229352, 1536690, 1844028, 2048920, 2305035, 3073380, 3688056, 4610070, 6146760, 9220140, 18440280]

約数ペア:

[(1, 18440280), (2, 9220140), (3, 6146760), (4, 4610070), (5, 3688056), (6, 3073380), (8, 2305035), (9, 2048920), (10, 1844028), (12, 1536690), (15, 1229352), (18, 1024460), (20, 922014), (24, 768345), (30, 614676), (36, 512230), (40, 461007), (45, 409784), (60, 307338), (72, 256115), (90, 204892), (120, 153669), (180, 102446), (181, 101880), (283, 65160), (360, 51223), (362, 50940), (543, 33960), (566, 32580), (724, 25470), (849, 21720), (905, 20376), (1086, 16980), (1132, 16290), (1415, 13032), (1448, 12735), (1629, 11320), (1698, 10860), (1810, 10188), (2172, 8490), (2264, 8145), (2547, 7240), (2715, 6792), (2830, 6516), (3258, 5660), (3396, 5430), (3620, 5094), (4245, 4344)]