1535120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:663

約数の個数: 40

約数和(自身を含む): 3690240

約数和(自身を除く): 2155120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 619, 620, 1238, 1240, 2476, 2480, 3095, 4952, 6190, 9904, 12380, 19189, 24760, 38378, 49520, 76756, 95945, 153512, 191890, 307024, 383780, 767560, 1535120]

約数ペア:

[(1, 1535120), (2, 767560), (4, 383780), (5, 307024), (8, 191890), (10, 153512), (16, 95945), (20, 76756), (31, 49520), (40, 38378), (62, 24760), (80, 19189), (124, 12380), (155, 9904), (248, 6190), (310, 4952), (496, 3095), (619, 2480), (620, 2476), (1238, 1240)]