78912640

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7253}}^1$

素因数の和:7289

約数の個数: 64

約数和(自身を含む): 199775160

約数和(自身を除く): 120862520

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, 7253, 10880, 14506, 29012, 36265, 58024, 72530, 116048, 123301, 145060, 232096, 246602, 290120, 464192, 493204, 580240, 616505, 928384, 986408, 1160480, 1233010, 1972816, 2320960, 2466020, 3945632, 4641920, 4932040, 7891264, 9864080, 15782528, 19728160, 39456320, 78912640]

約数ペア:

[(1, 78912640), (2, 39456320), (4, 19728160), (5, 15782528), (8, 9864080), (10, 7891264), (16, 4932040), (17, 4641920), (20, 3945632), (32, 2466020), (34, 2320960), (40, 1972816), (64, 1233010), (68, 1160480), (80, 986408), (85, 928384), (128, 616505), (136, 580240), (160, 493204), (170, 464192), (272, 290120), (320, 246602), (340, 232096), (544, 145060), (640, 123301), (680, 116048), (1088, 72530), (1360, 58024), (2176, 36265), (2720, 29012), (5440, 14506), (7253, 10880)]