71356160

素因数分解:

$2^8\times 5^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:649

約数の個数: 72

約数和(自身を含む): 172848816

約数和(自身を除く): 101492656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 256, 320, 428, 521, 535, 640, 856, 1042, 1070, 1280, 1712, 2084, 2140, 2605, 3424, 4168, 4280, 5210, 6848, 8336, 8560, 10420, 13696, 16672, 17120, 20840, 27392, 33344, 34240, 41680, 55747, 66688, 68480, 83360, 111494, 133376, 136960, 166720, 222988, 278735, 333440, 445976, 557470, 666880, 891952, 1114940, 1783904, 2229880, 3567808, 4459760, 7135616, 8919520, 14271232, 17839040, 35678080, 71356160]

約数ペア:

[(1, 71356160), (2, 35678080), (4, 17839040), (5, 14271232), (8, 8919520), (10, 7135616), (16, 4459760), (20, 3567808), (32, 2229880), (40, 1783904), (64, 1114940), (80, 891952), (107, 666880), (128, 557470), (160, 445976), (214, 333440), (256, 278735), (320, 222988), (428, 166720), (521, 136960), (535, 133376), (640, 111494), (856, 83360), (1042, 68480), (1070, 66688), (1280, 55747), (1712, 41680), (2084, 34240), (2140, 33344), (2605, 27392), (3424, 20840), (4168, 17120), (4280, 16672), (5210, 13696), (6848, 10420), (8336, 8560)]