72017960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8297}}^1$

素因数の和:8346

約数の個数: 64

約数和(自身を含む): 191185920

約数和(自身を除く): 119167960

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, 8297, 8680, 16594, 33188, 41485, 58079, 66376, 82970, 116158, 165940, 232316, 257207, 290395, 331880, 464632, 514414, 580790, 1028828, 1161580, 1286035, 1800449, 2057656, 2323160, 2572070, 3600898, 5144140, 7201796, 9002245, 10288280, 14403592, 18004490, 36008980, 72017960]

約数ペア:

[(1, 72017960), (2, 36008980), (4, 18004490), (5, 14403592), (7, 10288280), (8, 9002245), (10, 7201796), (14, 5144140), (20, 3600898), (28, 2572070), (31, 2323160), (35, 2057656), (40, 1800449), (56, 1286035), (62, 1161580), (70, 1028828), (124, 580790), (140, 514414), (155, 464632), (217, 331880), (248, 290395), (280, 257207), (310, 232316), (434, 165940), (620, 116158), (868, 82970), (1085, 66376), (1240, 58079), (1736, 41485), (2170, 33188), (4340, 16594), (8297, 8680)]