781661940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1\times {\mathrm{983}}^1$

素因数の和:1481

約数の個数: 96

約数和(自身を含む): 2271386880

約数和(自身を除く): 1489724940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 457, 580, 870, 914, 983, 1371, 1740, 1828, 1966, 2285, 2742, 2949, 3932, 4570, 4915, 5484, 5898, 6855, 9140, 9830, 11796, 13253, 13710, 14745, 19660, 26506, 27420, 28507, 29490, 39759, 53012, 57014, 58980, 66265, 79518, 85521, 114028, 132530, 142535, 159036, 171042, 198795, 265060, 285070, 342084, 397590, 427605, 449231, 570140, 795180, 855210, 898462, 1347693, 1710420, 1796924, 2246155, 2695386, 4492310, 5390772, 6738465, 8984620, 13027699, 13476930, 26055398, 26953860, 39083097, 52110796, 65138495, 78166194, 130276990, 156332388, 195415485, 260553980, 390830970, 781661940]

約数ペア:

[(1, 781661940), (2, 390830970), (3, 260553980), (4, 195415485), (5, 156332388), (6, 130276990), (10, 78166194), (12, 65138495), (15, 52110796), (20, 39083097), (29, 26953860), (30, 26055398), (58, 13476930), (60, 13027699), (87, 8984620), (116, 6738465), (145, 5390772), (174, 4492310), (290, 2695386), (348, 2246155), (435, 1796924), (457, 1710420), (580, 1347693), (870, 898462), (914, 855210), (983, 795180), (1371, 570140), (1740, 449231), (1828, 427605), (1966, 397590), (2285, 342084), (2742, 285070), (2949, 265060), (3932, 198795), (4570, 171042), (4915, 159036), (5484, 142535), (5898, 132530), (6855, 114028), (9140, 85521), (9830, 79518), (11796, 66265), (13253, 58980), (13710, 57014), (14745, 53012), (19660, 39759), (26506, 29490), (27420, 28507)]