68438475

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2287}}^1$

素因数の和:2329

約数の個数: 72

約数和(自身を含む): 147530240

約数和(自身を除く): 79091765

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 35, 45, 57, 63, 75, 95, 105, 133, 171, 175, 225, 285, 315, 399, 475, 525, 665, 855, 1197, 1425, 1575, 1995, 2287, 3325, 4275, 5985, 6861, 9975, 11435, 16009, 20583, 29925, 34305, 43453, 48027, 57175, 80045, 102915, 130359, 144081, 171525, 217265, 240135, 304171, 391077, 400225, 514575, 651795, 720405, 912513, 1086325, 1200675, 1520855, 1955385, 2737539, 3258975, 3602025, 4562565, 7604275, 9776925, 13687695, 22812825, 68438475]

約数ペア:

[(1, 68438475), (3, 22812825), (5, 13687695), (7, 9776925), (9, 7604275), (15, 4562565), (19, 3602025), (21, 3258975), (25, 2737539), (35, 1955385), (45, 1520855), (57, 1200675), (63, 1086325), (75, 912513), (95, 720405), (105, 651795), (133, 514575), (171, 400225), (175, 391077), (225, 304171), (285, 240135), (315, 217265), (399, 171525), (475, 144081), (525, 130359), (665, 102915), (855, 80045), (1197, 57175), (1425, 48027), (1575, 43453), (1995, 34305), (2287, 29925), (3325, 20583), (4275, 16009), (5985, 11435), (6861, 9975)]