65515280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{719}}^1$

素因数の和:816

約数の個数: 80

約数和(自身を含む): 163918080

約数和(自身を除く): 98402800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 67, 68, 80, 85, 134, 136, 170, 268, 272, 335, 340, 536, 670, 680, 719, 1072, 1139, 1340, 1360, 1438, 2278, 2680, 2876, 3595, 4556, 5360, 5695, 5752, 7190, 9112, 11390, 11504, 12223, 14380, 18224, 22780, 24446, 28760, 45560, 48173, 48892, 57520, 61115, 91120, 96346, 97784, 122230, 192692, 195568, 240865, 244460, 385384, 481730, 488920, 770768, 818941, 963460, 977840, 1637882, 1926920, 3275764, 3853840, 4094705, 6551528, 8189410, 13103056, 16378820, 32757640, 65515280]

約数ペア:

[(1, 65515280), (2, 32757640), (4, 16378820), (5, 13103056), (8, 8189410), (10, 6551528), (16, 4094705), (17, 3853840), (20, 3275764), (34, 1926920), (40, 1637882), (67, 977840), (68, 963460), (80, 818941), (85, 770768), (134, 488920), (136, 481730), (170, 385384), (268, 244460), (272, 240865), (335, 195568), (340, 192692), (536, 122230), (670, 97784), (680, 96346), (719, 91120), (1072, 61115), (1139, 57520), (1340, 48892), (1360, 48173), (1438, 45560), (2278, 28760), (2680, 24446), (2876, 22780), (3595, 18224), (4556, 14380), (5360, 12223), (5695, 11504), (5752, 11390), (7190, 9112)]