320413210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^3$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 656409600

約数和(自身を除く): 335996390

約数列:

[1, 2, 5, 10, 13, 26, 31, 43, 62, 65, 86, 130, 155, 215, 310, 403, 430, 559, 806, 1118, 1333, 1849, 2015, 2666, 2795, 3698, 4030, 5590, 6665, 9245, 13330, 17329, 18490, 24037, 34658, 48074, 57319, 79507, 86645, 114638, 120185, 159014, 173290, 240370, 286595, 397535, 573190, 745147, 795070, 1033591, 1490294, 2067182, 2464717, 3725735, 4929434, 5167955, 7451470, 10335910, 12323585, 24647170, 32041321, 64082642, 160206605, 320413210]

約数ペア:

[(1, 320413210), (2, 160206605), (5, 64082642), (10, 32041321), (13, 24647170), (26, 12323585), (31, 10335910), (43, 7451470), (62, 5167955), (65, 4929434), (86, 3725735), (130, 2464717), (155, 2067182), (215, 1490294), (310, 1033591), (403, 795070), (430, 745147), (559, 573190), (806, 397535), (1118, 286595), (1333, 240370), (1849, 173290), (2015, 159014), (2666, 120185), (2795, 114638), (3698, 86645), (4030, 79507), (5590, 57319), (6665, 48074), (9245, 34658), (13330, 24037), (17329, 18490)]