61879720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7129}}^1$

素因数の和:7178

約数の個数: 64

約数和(自身を含む): 164275200

約数和(自身を除く): 102395480

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, 7129, 8680, 14258, 28516, 35645, 49903, 57032, 71290, 99806, 142580, 199612, 220999, 249515, 285160, 399224, 441998, 499030, 883996, 998060, 1104995, 1546993, 1767992, 1996120, 2209990, 3093986, 4419980, 6187972, 7734965, 8839960, 12375944, 15469930, 30939860, 61879720]

約数ペア:

[(1, 61879720), (2, 30939860), (4, 15469930), (5, 12375944), (7, 8839960), (8, 7734965), (10, 6187972), (14, 4419980), (20, 3093986), (28, 2209990), (31, 1996120), (35, 1767992), (40, 1546993), (56, 1104995), (62, 998060), (70, 883996), (124, 499030), (140, 441998), (155, 399224), (217, 285160), (248, 249515), (280, 220999), (310, 199612), (434, 142580), (620, 99806), (868, 71290), (1085, 57032), (1240, 49903), (1736, 35645), (2170, 28516), (4340, 14258), (7129, 8680)]