28845090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1109}}^1$

素因数の和:1156

約数の個数: 72

約数和(自身を含む): 79740180

約数和(自身を除く): 50895090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 289, 306, 510, 578, 765, 867, 1109, 1445, 1530, 1734, 2218, 2601, 2890, 3327, 4335, 5202, 5545, 6654, 8670, 9981, 11090, 13005, 16635, 18853, 19962, 26010, 33270, 37706, 49905, 56559, 94265, 99810, 113118, 169677, 188530, 282795, 320501, 339354, 565590, 641002, 848385, 961503, 1602505, 1696770, 1923006, 2884509, 3205010, 4807515, 5769018, 9615030, 14422545, 28845090]

約数ペア:

[(1, 28845090), (2, 14422545), (3, 9615030), (5, 5769018), (6, 4807515), (9, 3205010), (10, 2884509), (15, 1923006), (17, 1696770), (18, 1602505), (30, 961503), (34, 848385), (45, 641002), (51, 565590), (85, 339354), (90, 320501), (102, 282795), (153, 188530), (170, 169677), (255, 113118), (289, 99810), (306, 94265), (510, 56559), (578, 49905), (765, 37706), (867, 33270), (1109, 26010), (1445, 19962), (1530, 18853), (1734, 16635), (2218, 13005), (2601, 11090), (2890, 9981), (3327, 8670), (4335, 6654), (5202, 5545)]