2460880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1619}}^1$

素因数の和:1651

約数の個数: 40

約数和(自身を含む): 6026400

約数和(自身を除く): 3565520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1619, 3238, 6476, 8095, 12952, 16190, 25904, 30761, 32380, 61522, 64760, 123044, 129520, 153805, 246088, 307610, 492176, 615220, 1230440, 2460880]

約数ペア:

[(1, 2460880), (2, 1230440), (4, 615220), (5, 492176), (8, 307610), (10, 246088), (16, 153805), (19, 129520), (20, 123044), (38, 64760), (40, 61522), (76, 32380), (80, 30761), (95, 25904), (152, 16190), (190, 12952), (304, 8095), (380, 6476), (760, 3238), (1520, 1619)]