71613520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4787}}^1$

素因数の和:4828

約数の個数: 80

約数和(自身を含む): 192362688

約数和(自身を除く): 120749168

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2992, 3740, 4787, 7480, 9574, 14960, 19148, 23935, 38296, 47870, 52657, 76592, 81379, 95740, 105314, 162758, 191480, 210628, 263285, 325516, 382960, 406895, 421256, 526570, 651032, 813790, 842512, 895169, 1053140, 1302064, 1627580, 1790338, 2106280, 3255160, 3580676, 4212560, 4475845, 6510320, 7161352, 8951690, 14322704, 17903380, 35806760, 71613520]

約数ペア:

[(1, 71613520), (2, 35806760), (4, 17903380), (5, 14322704), (8, 8951690), (10, 7161352), (11, 6510320), (16, 4475845), (17, 4212560), (20, 3580676), (22, 3255160), (34, 2106280), (40, 1790338), (44, 1627580), (55, 1302064), (68, 1053140), (80, 895169), (85, 842512), (88, 813790), (110, 651032), (136, 526570), (170, 421256), (176, 406895), (187, 382960), (220, 325516), (272, 263285), (340, 210628), (374, 191480), (440, 162758), (680, 105314), (748, 95740), (880, 81379), (935, 76592), (1360, 52657), (1496, 47870), (1870, 38296), (2992, 23935), (3740, 19148), (4787, 14960), (7480, 9574)]