68877280

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:336

約数の個数: 96

約数和(自身を含む): 173577600

約数和(自身を除く): 104700320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 139, 152, 160, 163, 190, 278, 304, 326, 380, 556, 608, 652, 695, 760, 815, 1112, 1304, 1390, 1520, 1630, 2224, 2608, 2641, 2780, 3040, 3097, 3260, 4448, 5216, 5282, 5560, 6194, 6520, 10564, 11120, 12388, 13040, 13205, 15485, 21128, 22240, 22657, 24776, 26080, 26410, 30970, 42256, 45314, 49552, 52820, 61940, 84512, 90628, 99104, 105640, 113285, 123880, 181256, 211280, 226570, 247760, 362512, 422560, 430483, 453140, 495520, 725024, 860966, 906280, 1721932, 1812560, 2152415, 3443864, 3625120, 4304830, 6887728, 8609660, 13775456, 17219320, 34438640, 68877280]

約数ペア:

[(1, 68877280), (2, 34438640), (4, 17219320), (5, 13775456), (8, 8609660), (10, 6887728), (16, 4304830), (19, 3625120), (20, 3443864), (32, 2152415), (38, 1812560), (40, 1721932), (76, 906280), (80, 860966), (95, 725024), (139, 495520), (152, 453140), (160, 430483), (163, 422560), (190, 362512), (278, 247760), (304, 226570), (326, 211280), (380, 181256), (556, 123880), (608, 113285), (652, 105640), (695, 99104), (760, 90628), (815, 84512), (1112, 61940), (1304, 52820), (1390, 49552), (1520, 45314), (1630, 42256), (2224, 30970), (2608, 26410), (2641, 26080), (2780, 24776), (3040, 22657), (3097, 22240), (3260, 21128), (4448, 15485), (5216, 13205), (5282, 13040), (5560, 12388), (6194, 11120), (6520, 10564)]