279472480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{829}}^1$

素因数の和:901

約数の個数: 144

約数和(自身を含む): 786859920

約数和(自身を除く): 507387440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 140, 160, 172, 196, 215, 224, 245, 280, 301, 344, 392, 430, 490, 560, 602, 688, 784, 829, 860, 980, 1120, 1204, 1376, 1505, 1568, 1658, 1720, 1960, 2107, 2408, 3010, 3316, 3440, 3920, 4145, 4214, 4816, 5803, 6020, 6632, 6880, 7840, 8290, 8428, 9632, 10535, 11606, 12040, 13264, 16580, 16856, 21070, 23212, 24080, 26528, 29015, 33160, 33712, 35647, 40621, 42140, 46424, 48160, 58030, 66320, 67424, 71294, 81242, 84280, 92848, 116060, 132640, 142588, 162484, 168560, 178235, 185696, 203105, 232120, 249529, 285176, 324968, 337120, 356470, 406210, 464240, 499058, 570352, 649936, 712940, 812420, 928480, 998116, 1140704, 1247645, 1299872, 1425880, 1624840, 1746703, 1996232, 2495290, 2851760, 3249680, 3493406, 3992464, 4990580, 5703520, 6499360, 6986812, 7984928, 8733515, 9981160, 13973624, 17467030, 19962320, 27947248, 34934060, 39924640, 55894496, 69868120, 139736240, 279472480]

約数ペア:

[(1, 279472480), (2, 139736240), (4, 69868120), (5, 55894496), (7, 39924640), (8, 34934060), (10, 27947248), (14, 19962320), (16, 17467030), (20, 13973624), (28, 9981160), (32, 8733515), (35, 7984928), (40, 6986812), (43, 6499360), (49, 5703520), (56, 4990580), (70, 3992464), (80, 3493406), (86, 3249680), (98, 2851760), (112, 2495290), (140, 1996232), (160, 1746703), (172, 1624840), (196, 1425880), (215, 1299872), (224, 1247645), (245, 1140704), (280, 998116), (301, 928480), (344, 812420), (392, 712940), (430, 649936), (490, 570352), (560, 499058), (602, 464240), (688, 406210), (784, 356470), (829, 337120), (860, 324968), (980, 285176), (1120, 249529), (1204, 232120), (1376, 203105), (1505, 185696), (1568, 178235), (1658, 168560), (1720, 162484), (1960, 142588), (2107, 132640), (2408, 116060), (3010, 92848), (3316, 84280), (3440, 81242), (3920, 71294), (4145, 67424), (4214, 66320), (4816, 58030), (5803, 48160), (6020, 46424), (6632, 42140), (6880, 40621), (7840, 35647), (8290, 33712), (8428, 33160), (9632, 29015), (10535, 26528), (11606, 24080), (12040, 23212), (13264, 21070), (16580, 16856)]