319143680

素因数分解:

$2^8\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1493}}^1$

素因数の和:1681

約数の個数: 72

約数和(自身を含む): 769541472

約数和(自身を除く): 450397792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 167, 256, 320, 334, 640, 668, 835, 1280, 1336, 1493, 1670, 2672, 2986, 3340, 5344, 5972, 6680, 7465, 10688, 11944, 13360, 14930, 21376, 23888, 26720, 29860, 42752, 47776, 53440, 59720, 95552, 106880, 119440, 191104, 213760, 238880, 249331, 382208, 477760, 498662, 955520, 997324, 1246655, 1911040, 1994648, 2493310, 3989296, 4986620, 7978592, 9973240, 15957184, 19946480, 31914368, 39892960, 63828736, 79785920, 159571840, 319143680]

約数ペア:

[(1, 319143680), (2, 159571840), (4, 79785920), (5, 63828736), (8, 39892960), (10, 31914368), (16, 19946480), (20, 15957184), (32, 9973240), (40, 7978592), (64, 4986620), (80, 3989296), (128, 2493310), (160, 1994648), (167, 1911040), (256, 1246655), (320, 997324), (334, 955520), (640, 498662), (668, 477760), (835, 382208), (1280, 249331), (1336, 238880), (1493, 213760), (1670, 191104), (2672, 119440), (2986, 106880), (3340, 95552), (5344, 59720), (5972, 53440), (6680, 47776), (7465, 42752), (10688, 29860), (11944, 26720), (13360, 23888), (14930, 21376)]