12978960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1319}}^1$

素因数の和:1376

約数の個数: 80

約数和(自身を含む): 41247360

約数和(自身を除く): 28268400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1319, 1640, 1968, 2460, 2638, 3280, 3957, 4920, 5276, 6595, 7914, 9840, 10552, 13190, 15828, 19785, 21104, 26380, 31656, 39570, 52760, 54079, 63312, 79140, 105520, 108158, 158280, 162237, 216316, 270395, 316560, 324474, 432632, 540790, 648948, 811185, 865264, 1081580, 1297896, 1622370, 2163160, 2595792, 3244740, 4326320, 6489480, 12978960]

約数ペア:

[(1, 12978960), (2, 6489480), (3, 4326320), (4, 3244740), (5, 2595792), (6, 2163160), (8, 1622370), (10, 1297896), (12, 1081580), (15, 865264), (16, 811185), (20, 648948), (24, 540790), (30, 432632), (40, 324474), (41, 316560), (48, 270395), (60, 216316), (80, 162237), (82, 158280), (120, 108158), (123, 105520), (164, 79140), (205, 63312), (240, 54079), (246, 52760), (328, 39570), (410, 31656), (492, 26380), (615, 21104), (656, 19785), (820, 15828), (984, 13190), (1230, 10552), (1319, 9840), (1640, 7914), (1968, 6595), (2460, 5276), (2638, 4920), (3280, 3957)]