1515440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{997}}^1$

素因数の和:1029

約数の個数: 40

約数和(自身を含む): 3712560

約数和(自身を除く): 2197120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 997, 1520, 1994, 3988, 4985, 7976, 9970, 15952, 18943, 19940, 37886, 39880, 75772, 79760, 94715, 151544, 189430, 303088, 378860, 757720, 1515440]

約数ペア:

[(1, 1515440), (2, 757720), (4, 378860), (5, 303088), (8, 189430), (10, 151544), (16, 94715), (19, 79760), (20, 75772), (38, 39880), (40, 37886), (76, 19940), (80, 18943), (95, 15952), (152, 9970), (190, 7976), (304, 4985), (380, 3988), (760, 1994), (997, 1520)]