71340920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8219}}^1$

素因数の和:8268

約数の個数: 64

約数和(自身を含む): 189388800

約数和(自身を除く): 118047880

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, 8219, 8680, 16438, 32876, 41095, 57533, 65752, 82190, 115066, 164380, 230132, 254789, 287665, 328760, 460264, 509578, 575330, 1019156, 1150660, 1273945, 1783523, 2038312, 2301320, 2547890, 3567046, 5095780, 7134092, 8917615, 10191560, 14268184, 17835230, 35670460, 71340920]

約数ペア:

[(1, 71340920), (2, 35670460), (4, 17835230), (5, 14268184), (7, 10191560), (8, 8917615), (10, 7134092), (14, 5095780), (20, 3567046), (28, 2547890), (31, 2301320), (35, 2038312), (40, 1783523), (56, 1273945), (62, 1150660), (70, 1019156), (124, 575330), (140, 509578), (155, 460264), (217, 328760), (248, 287665), (280, 254789), (310, 230132), (434, 164380), (620, 115066), (868, 82190), (1085, 65752), (1240, 57533), (1736, 41095), (2170, 32876), (4340, 16438), (8219, 8680)]