75760280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{571}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 177914880

約数和(自身を除く): 102154600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 107, 124, 155, 214, 248, 310, 428, 535, 571, 620, 856, 1070, 1142, 1240, 2140, 2284, 2855, 3317, 4280, 4568, 5710, 6634, 11420, 13268, 16585, 17701, 22840, 26536, 33170, 35402, 61097, 66340, 70804, 88505, 122194, 132680, 141608, 177010, 244388, 305485, 354020, 488776, 610970, 708040, 1221940, 1894007, 2443880, 3788014, 7576028, 9470035, 15152056, 18940070, 37880140, 75760280]

約数ペア:

[(1, 75760280), (2, 37880140), (4, 18940070), (5, 15152056), (8, 9470035), (10, 7576028), (20, 3788014), (31, 2443880), (40, 1894007), (62, 1221940), (107, 708040), (124, 610970), (155, 488776), (214, 354020), (248, 305485), (310, 244388), (428, 177010), (535, 141608), (571, 132680), (620, 122194), (856, 88505), (1070, 70804), (1142, 66340), (1240, 61097), (2140, 35402), (2284, 33170), (2855, 26536), (3317, 22840), (4280, 17701), (4568, 16585), (5710, 13268), (6634, 11420)]