78489960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4993}}^1$

素因数の和:5138

約数の個数: 64

約数和(自身を含む): 237314880

約数和(自身を除く): 158824920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2620, 3144, 3930, 4993, 5240, 7860, 9986, 14979, 15720, 19972, 24965, 29958, 39944, 49930, 59916, 74895, 99860, 119832, 149790, 199720, 299580, 599160, 654083, 1308166, 1962249, 2616332, 3270415, 3924498, 5232664, 6540830, 7848996, 9811245, 13081660, 15697992, 19622490, 26163320, 39244980, 78489960]

約数ペア:

[(1, 78489960), (2, 39244980), (3, 26163320), (4, 19622490), (5, 15697992), (6, 13081660), (8, 9811245), (10, 7848996), (12, 6540830), (15, 5232664), (20, 3924498), (24, 3270415), (30, 2616332), (40, 1962249), (60, 1308166), (120, 654083), (131, 599160), (262, 299580), (393, 199720), (524, 149790), (655, 119832), (786, 99860), (1048, 74895), (1310, 59916), (1572, 49930), (1965, 39944), (2620, 29958), (3144, 24965), (3930, 19972), (4993, 15720), (5240, 14979), (7860, 9986)]