279969210

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{821}}^1$

素因数の和:1261

約数の個数: 80

約数和(自身を含む): 755513352

約数和(自身を除く): 475544142

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 421, 810, 821, 842, 1263, 1642, 2105, 2463, 2526, 3789, 4105, 4210, 4926, 6315, 7389, 7578, 8210, 11367, 12315, 12630, 14778, 18945, 22167, 22734, 24630, 34101, 36945, 37890, 44334, 56835, 66501, 68202, 73890, 110835, 113670, 133002, 170505, 221670, 332505, 341010, 345641, 665010, 691282, 1036923, 1728205, 2073846, 3110769, 3456410, 5184615, 6221538, 9332307, 10369230, 15553845, 18664614, 27996921, 31107690, 46661535, 55993842, 93323070, 139984605, 279969210]

約数ペア:

[(1, 279969210), (2, 139984605), (3, 93323070), (5, 55993842), (6, 46661535), (9, 31107690), (10, 27996921), (15, 18664614), (18, 15553845), (27, 10369230), (30, 9332307), (45, 6221538), (54, 5184615), (81, 3456410), (90, 3110769), (135, 2073846), (162, 1728205), (270, 1036923), (405, 691282), (421, 665010), (810, 345641), (821, 341010), (842, 332505), (1263, 221670), (1642, 170505), (2105, 133002), (2463, 113670), (2526, 110835), (3789, 73890), (4105, 68202), (4210, 66501), (4926, 56835), (6315, 44334), (7389, 37890), (7578, 36945), (8210, 34101), (11367, 24630), (12315, 22734), (12630, 22167), (14778, 18945)]