721288160

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{4691}}^1$

素因数の和:4768

約数の個数: 72

約数和(自身を含む): 1761160968

約数和(自身を除く): 1039872808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 961, 992, 1240, 1922, 2480, 3844, 4691, 4805, 4960, 7688, 9382, 9610, 15376, 18764, 19220, 23455, 30752, 37528, 38440, 46910, 75056, 76880, 93820, 145421, 150112, 153760, 187640, 290842, 375280, 581684, 727105, 750560, 1163368, 1454210, 2326736, 2908420, 4508051, 4653472, 5816840, 9016102, 11633680, 18032204, 22540255, 23267360, 36064408, 45080510, 72128816, 90161020, 144257632, 180322040, 360644080, 721288160]

約数ペア:

[(1, 721288160), (2, 360644080), (4, 180322040), (5, 144257632), (8, 90161020), (10, 72128816), (16, 45080510), (20, 36064408), (31, 23267360), (32, 22540255), (40, 18032204), (62, 11633680), (80, 9016102), (124, 5816840), (155, 4653472), (160, 4508051), (248, 2908420), (310, 2326736), (496, 1454210), (620, 1163368), (961, 750560), (992, 727105), (1240, 581684), (1922, 375280), (2480, 290842), (3844, 187640), (4691, 153760), (4805, 150112), (4960, 145421), (7688, 93820), (9382, 76880), (9610, 75056), (15376, 46910), (18764, 38440), (19220, 37528), (23455, 30752)]