68718080

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1579}}^1$

素因数の和:1619

約数の個数: 80

約数和(自身を含む): 174564720

約数和(自身を除く): 105846640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1088, 1280, 1360, 1579, 2176, 2560, 2720, 3158, 4352, 5440, 6316, 7895, 8704, 10880, 12632, 15790, 21760, 25264, 26843, 31580, 43520, 50528, 53686, 63160, 101056, 107372, 126320, 134215, 202112, 214744, 252640, 268430, 404224, 429488, 505280, 536860, 808448, 858976, 1010560, 1073720, 1717952, 2021120, 2147440, 3435904, 4042240, 4294880, 6871808, 8589760, 13743616, 17179520, 34359040, 68718080]

約数ペア:

[(1, 68718080), (2, 34359040), (4, 17179520), (5, 13743616), (8, 8589760), (10, 6871808), (16, 4294880), (17, 4042240), (20, 3435904), (32, 2147440), (34, 2021120), (40, 1717952), (64, 1073720), (68, 1010560), (80, 858976), (85, 808448), (128, 536860), (136, 505280), (160, 429488), (170, 404224), (256, 268430), (272, 252640), (320, 214744), (340, 202112), (512, 134215), (544, 126320), (640, 107372), (680, 101056), (1088, 63160), (1280, 53686), (1360, 50528), (1579, 43520), (2176, 31580), (2560, 26843), (2720, 25264), (3158, 21760), (4352, 15790), (5440, 12632), (6316, 10880), (7895, 8704)]