78609780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6151}}^1$

素因数の和:6237

約数の個数: 72

約数和(自身を含む): 241847424

約数和(自身を除く): 163237644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6151, 6390, 12302, 12780, 18453, 24604, 30755, 36906, 55359, 61510, 73812, 92265, 110718, 123020, 184530, 221436, 276795, 369060, 436721, 553590, 873442, 1107180, 1310163, 1746884, 2183605, 2620326, 3930489, 4367210, 5240652, 6550815, 7860978, 8734420, 13101630, 15721956, 19652445, 26203260, 39304890, 78609780]

約数ペア:

[(1, 78609780), (2, 39304890), (3, 26203260), (4, 19652445), (5, 15721956), (6, 13101630), (9, 8734420), (10, 7860978), (12, 6550815), (15, 5240652), (18, 4367210), (20, 3930489), (30, 2620326), (36, 2183605), (45, 1746884), (60, 1310163), (71, 1107180), (90, 873442), (142, 553590), (180, 436721), (213, 369060), (284, 276795), (355, 221436), (426, 184530), (639, 123020), (710, 110718), (852, 92265), (1065, 73812), (1278, 61510), (1420, 55359), (2130, 36906), (2556, 30755), (3195, 24604), (4260, 18453), (6151, 12780), (6390, 12302)]