80490720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2749}}^1$

素因数の和:2828

約数の個数: 96

約数和(自身を含む): 257796000

約数和(自身を除く): 177305280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 80, 96, 120, 122, 160, 183, 240, 244, 305, 366, 480, 488, 610, 732, 915, 976, 1220, 1464, 1830, 1952, 2440, 2749, 2928, 3660, 4880, 5498, 5856, 7320, 8247, 9760, 10996, 13745, 14640, 16494, 21992, 27490, 29280, 32988, 41235, 43984, 54980, 65976, 82470, 87968, 109960, 131952, 164940, 167689, 219920, 263904, 329880, 335378, 439840, 503067, 659760, 670756, 838445, 1006134, 1319520, 1341512, 1676890, 2012268, 2515335, 2683024, 3353780, 4024536, 5030670, 5366048, 6707560, 8049072, 10061340, 13415120, 16098144, 20122680, 26830240, 40245360, 80490720]

約数ペア:

[(1, 80490720), (2, 40245360), (3, 26830240), (4, 20122680), (5, 16098144), (6, 13415120), (8, 10061340), (10, 8049072), (12, 6707560), (15, 5366048), (16, 5030670), (20, 4024536), (24, 3353780), (30, 2683024), (32, 2515335), (40, 2012268), (48, 1676890), (60, 1341512), (61, 1319520), (80, 1006134), (96, 838445), (120, 670756), (122, 659760), (160, 503067), (183, 439840), (240, 335378), (244, 329880), (305, 263904), (366, 219920), (480, 167689), (488, 164940), (610, 131952), (732, 109960), (915, 87968), (976, 82470), (1220, 65976), (1464, 54980), (1830, 43984), (1952, 41235), (2440, 32988), (2749, 29280), (2928, 27490), (3660, 21992), (4880, 16494), (5498, 14640), (5856, 13745), (7320, 10996), (8247, 9760)]