15815950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{809}}^1$

素因数の和:861

約数の個数: 48

約数和(自身を含む): 32542560

約数和(自身を除く): 16726610

約数列:

[1, 2, 5, 10, 17, 23, 25, 34, 46, 50, 85, 115, 170, 230, 391, 425, 575, 782, 809, 850, 1150, 1618, 1955, 3910, 4045, 8090, 9775, 13753, 18607, 19550, 20225, 27506, 37214, 40450, 68765, 93035, 137530, 186070, 316319, 343825, 465175, 632638, 687650, 930350, 1581595, 3163190, 7907975, 15815950]

約数ペア:

[(1, 15815950), (2, 7907975), (5, 3163190), (10, 1581595), (17, 930350), (23, 687650), (25, 632638), (34, 465175), (46, 343825), (50, 316319), (85, 186070), (115, 137530), (170, 93035), (230, 68765), (391, 40450), (425, 37214), (575, 27506), (782, 20225), (809, 19550), (850, 18607), (1150, 13753), (1618, 9775), (1955, 8090), (3910, 4045)]