71890240

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7247}}^1$

素因数の和:7295

約数の個数: 56

約数和(自身を含む): 176735232

約数和(自身を除く): 104844992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 7247, 9920, 14494, 28988, 36235, 57976, 72470, 115952, 144940, 224657, 231904, 289880, 449314, 463808, 579760, 898628, 1123285, 1159520, 1797256, 2246570, 2319040, 3594512, 4493140, 7189024, 8986280, 14378048, 17972560, 35945120, 71890240]

約数ペア:

[(1, 71890240), (2, 35945120), (4, 17972560), (5, 14378048), (8, 8986280), (10, 7189024), (16, 4493140), (20, 3594512), (31, 2319040), (32, 2246570), (40, 1797256), (62, 1159520), (64, 1123285), (80, 898628), (124, 579760), (155, 463808), (160, 449314), (248, 289880), (310, 231904), (320, 224657), (496, 144940), (620, 115952), (992, 72470), (1240, 57976), (1984, 36235), (2480, 28988), (4960, 14494), (7247, 9920)]