82642280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9521}}^1$

素因数の和:9570

約数の個数: 64

約数和(自身を含む): 219386880

約数和(自身を除く): 136744600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 9521, 19042, 38084, 47605, 66647, 76168, 95210, 133294, 190420, 266588, 295151, 333235, 380840, 533176, 590302, 666470, 1180604, 1332940, 1475755, 2066057, 2361208, 2665880, 2951510, 4132114, 5903020, 8264228, 10330285, 11806040, 16528456, 20660570, 41321140, 82642280]

約数ペア:

[(1, 82642280), (2, 41321140), (4, 20660570), (5, 16528456), (7, 11806040), (8, 10330285), (10, 8264228), (14, 5903020), (20, 4132114), (28, 2951510), (31, 2665880), (35, 2361208), (40, 2066057), (56, 1475755), (62, 1332940), (70, 1180604), (124, 666470), (140, 590302), (155, 533176), (217, 380840), (248, 333235), (280, 295151), (310, 266588), (434, 190420), (620, 133294), (868, 95210), (1085, 76168), (1240, 66647), (1736, 47605), (2170, 38084), (4340, 19042), (8680, 9521)]