71296640

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6553}}^1$

素因数の和:6589

約数の個数: 64

約数和(自身を含む): 180497160

約数和(自身を除く): 109200520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 6553, 10880, 13106, 26212, 32765, 52424, 65530, 104848, 111401, 131060, 209696, 222802, 262120, 419392, 445604, 524240, 557005, 838784, 891208, 1048480, 1114010, 1782416, 2096960, 2228020, 3564832, 4193920, 4456040, 7129664, 8912080, 14259328, 17824160, 35648320, 71296640]

約数ペア:

[(1, 71296640), (2, 35648320), (4, 17824160), (5, 14259328), (8, 8912080), (10, 7129664), (16, 4456040), (17, 4193920), (20, 3564832), (32, 2228020), (34, 2096960), (40, 1782416), (64, 1114010), (68, 1048480), (80, 891208), (85, 838784), (128, 557005), (136, 524240), (160, 445604), (170, 419392), (272, 262120), (320, 222802), (340, 209696), (544, 131060), (640, 111401), (680, 104848), (1088, 65530), (1360, 52424), (2176, 32765), (2720, 26212), (5440, 13106), (6553, 10880)]