7920240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:618

約数の個数: 80

約数和(自身を含む): 25001376

約数和(自身を除く): 17081136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 541, 610, 732, 915, 976, 1082, 1220, 1464, 1623, 1830, 2164, 2440, 2705, 2928, 3246, 3660, 4328, 4880, 5410, 6492, 7320, 8115, 8656, 10820, 12984, 14640, 16230, 21640, 25968, 32460, 33001, 43280, 64920, 66002, 99003, 129840, 132004, 165005, 198006, 264008, 330010, 396012, 495015, 528016, 660020, 792024, 990030, 1320040, 1584048, 1980060, 2640080, 3960120, 7920240]

約数ペア:

[(1, 7920240), (2, 3960120), (3, 2640080), (4, 1980060), (5, 1584048), (6, 1320040), (8, 990030), (10, 792024), (12, 660020), (15, 528016), (16, 495015), (20, 396012), (24, 330010), (30, 264008), (40, 198006), (48, 165005), (60, 132004), (61, 129840), (80, 99003), (120, 66002), (122, 64920), (183, 43280), (240, 33001), (244, 32460), (305, 25968), (366, 21640), (488, 16230), (541, 14640), (610, 12984), (732, 10820), (915, 8656), (976, 8115), (1082, 7320), (1220, 6492), (1464, 5410), (1623, 4880), (1830, 4328), (2164, 3660), (2440, 3246), (2705, 2928)]