72490720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{919}}^1$

素因数の和:980

約数の個数: 96

約数和(自身を含む): 187790400

約数和(自身を除く): 115299680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 68, 80, 85, 116, 136, 145, 160, 170, 232, 272, 290, 340, 464, 493, 544, 580, 680, 919, 928, 986, 1160, 1360, 1838, 1972, 2320, 2465, 2720, 3676, 3944, 4595, 4640, 4930, 7352, 7888, 9190, 9860, 14704, 15623, 15776, 18380, 19720, 26651, 29408, 31246, 36760, 39440, 53302, 62492, 73520, 78115, 78880, 106604, 124984, 133255, 147040, 156230, 213208, 249968, 266510, 312460, 426416, 453067, 499936, 533020, 624920, 852832, 906134, 1066040, 1249840, 1812268, 2132080, 2265335, 2499680, 3624536, 4264160, 4530670, 7249072, 9061340, 14498144, 18122680, 36245360, 72490720]

約数ペア:

[(1, 72490720), (2, 36245360), (4, 18122680), (5, 14498144), (8, 9061340), (10, 7249072), (16, 4530670), (17, 4264160), (20, 3624536), (29, 2499680), (32, 2265335), (34, 2132080), (40, 1812268), (58, 1249840), (68, 1066040), (80, 906134), (85, 852832), (116, 624920), (136, 533020), (145, 499936), (160, 453067), (170, 426416), (232, 312460), (272, 266510), (290, 249968), (340, 213208), (464, 156230), (493, 147040), (544, 133255), (580, 124984), (680, 106604), (919, 78880), (928, 78115), (986, 73520), (1160, 62492), (1360, 53302), (1838, 39440), (1972, 36760), (2320, 31246), (2465, 29408), (2720, 26651), (3676, 19720), (3944, 18380), (4595, 15776), (4640, 15623), (4930, 14704), (7352, 9860), (7888, 9190)]