28412820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6863}}^1$

素因数の和:6901

約数の個数: 72

約数和(自身を含む): 89945856

約数和(自身を除く): 61533036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 6863, 13726, 20589, 27452, 34315, 41178, 61767, 68630, 82356, 102945, 123534, 137260, 157849, 205890, 247068, 308835, 315698, 411780, 473547, 617670, 631396, 789245, 947094, 1235340, 1420641, 1578490, 1894188, 2367735, 2841282, 3156980, 4735470, 5682564, 7103205, 9470940, 14206410, 28412820]

約数ペア:

[(1, 28412820), (2, 14206410), (3, 9470940), (4, 7103205), (5, 5682564), (6, 4735470), (9, 3156980), (10, 2841282), (12, 2367735), (15, 1894188), (18, 1578490), (20, 1420641), (23, 1235340), (30, 947094), (36, 789245), (45, 631396), (46, 617670), (60, 473547), (69, 411780), (90, 315698), (92, 308835), (115, 247068), (138, 205890), (180, 157849), (207, 137260), (230, 123534), (276, 102945), (345, 82356), (414, 68630), (460, 61767), (690, 41178), (828, 34315), (1035, 27452), (1380, 20589), (2070, 13726), (4140, 6863)]