72070820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:417

約数の個数: 72

約数和(自身を含む): 165610536

約数和(自身を除く): 93539716

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 289, 337, 340, 370, 578, 629, 674, 740, 1156, 1258, 1348, 1445, 1685, 2516, 2890, 3145, 3370, 5729, 5780, 6290, 6740, 10693, 11458, 12469, 12580, 21386, 22916, 24938, 28645, 42772, 49876, 53465, 57290, 62345, 97393, 106930, 114580, 124690, 194786, 211973, 213860, 249380, 389572, 423946, 486965, 847892, 973930, 1059865, 1947860, 2119730, 3603541, 4239460, 7207082, 14414164, 18017705, 36035410, 72070820]

約数ペア:

[(1, 72070820), (2, 36035410), (4, 18017705), (5, 14414164), (10, 7207082), (17, 4239460), (20, 3603541), (34, 2119730), (37, 1947860), (68, 1059865), (74, 973930), (85, 847892), (148, 486965), (170, 423946), (185, 389572), (289, 249380), (337, 213860), (340, 211973), (370, 194786), (578, 124690), (629, 114580), (674, 106930), (740, 97393), (1156, 62345), (1258, 57290), (1348, 53465), (1445, 49876), (1685, 42772), (2516, 28645), (2890, 24938), (3145, 22916), (3370, 21386), (5729, 12580), (5780, 12469), (6290, 11458), (6740, 10693)]