320355728

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^3\times {\mathrm{307}}^1$

素因数の和:362

約数の個数: 120

約数和(自身を含む): 796761504

約数和(自身を除く): 476405776

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 121, 154, 176, 196, 242, 307, 308, 392, 484, 539, 614, 616, 784, 847, 968, 1078, 1228, 1232, 1331, 1694, 1936, 2149, 2156, 2456, 2662, 3377, 3388, 4298, 4312, 4912, 5324, 5929, 6754, 6776, 8596, 8624, 9317, 10648, 11858, 13508, 13552, 15043, 17192, 18634, 21296, 23639, 23716, 27016, 30086, 34384, 37147, 37268, 47278, 47432, 54032, 60172, 65219, 74294, 74536, 94556, 94864, 120344, 130438, 148588, 149072, 165473, 189112, 240688, 260029, 260876, 297176, 330946, 378224, 408617, 520058, 521752, 594352, 661892, 817234, 1040116, 1043504, 1323784, 1634468, 1820203, 2080232, 2647568, 2860319, 3268936, 3640406, 4160464, 5720638, 6537872, 7280812, 11441276, 14561624, 20022233, 22882552, 29123248, 40044466, 45765104, 80088932, 160177864, 320355728]

約数ペア:

[(1, 320355728), (2, 160177864), (4, 80088932), (7, 45765104), (8, 40044466), (11, 29123248), (14, 22882552), (16, 20022233), (22, 14561624), (28, 11441276), (44, 7280812), (49, 6537872), (56, 5720638), (77, 4160464), (88, 3640406), (98, 3268936), (112, 2860319), (121, 2647568), (154, 2080232), (176, 1820203), (196, 1634468), (242, 1323784), (307, 1043504), (308, 1040116), (392, 817234), (484, 661892), (539, 594352), (614, 521752), (616, 520058), (784, 408617), (847, 378224), (968, 330946), (1078, 297176), (1228, 260876), (1232, 260029), (1331, 240688), (1694, 189112), (1936, 165473), (2149, 149072), (2156, 148588), (2456, 130438), (2662, 120344), (3377, 94864), (3388, 94556), (4298, 74536), (4312, 74294), (4912, 65219), (5324, 60172), (5929, 54032), (6754, 47432), (6776, 47278), (8596, 37268), (8624, 37147), (9317, 34384), (10648, 30086), (11858, 27016), (13508, 23716), (13552, 23639), (15043, 21296), (17192, 18634)]