68501080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{521}}^1$

素因数の和:724

約数の個数: 64

約数和(自身を含む): 163490400

約数和(自身を除く): 94989320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 173, 190, 346, 380, 521, 692, 760, 865, 1042, 1384, 1730, 2084, 2605, 3287, 3460, 4168, 5210, 6574, 6920, 9899, 10420, 13148, 16435, 19798, 20840, 26296, 32870, 39596, 49495, 65740, 79192, 90133, 98990, 131480, 180266, 197980, 360532, 395960, 450665, 721064, 901330, 1712527, 1802660, 3425054, 3605320, 6850108, 8562635, 13700216, 17125270, 34250540, 68501080]

約数ペア:

[(1, 68501080), (2, 34250540), (4, 17125270), (5, 13700216), (8, 8562635), (10, 6850108), (19, 3605320), (20, 3425054), (38, 1802660), (40, 1712527), (76, 901330), (95, 721064), (152, 450665), (173, 395960), (190, 360532), (346, 197980), (380, 180266), (521, 131480), (692, 98990), (760, 90133), (865, 79192), (1042, 65740), (1384, 49495), (1730, 39596), (2084, 32870), (2605, 26296), (3287, 20840), (3460, 19798), (4168, 16435), (5210, 13148), (6574, 10420), (6920, 9899)]