81968250

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1201}}^1$

素因数の和:1241

約数の個数: 128

約数和(自身を含む): 252016128

約数和(自身を除く): 170047878

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 25, 26, 30, 35, 39, 42, 50, 65, 70, 75, 78, 91, 105, 125, 130, 150, 175, 182, 195, 210, 250, 273, 325, 350, 375, 390, 455, 525, 546, 650, 750, 875, 910, 975, 1050, 1201, 1365, 1625, 1750, 1950, 2275, 2402, 2625, 2730, 3250, 3603, 4550, 4875, 5250, 6005, 6825, 7206, 8407, 9750, 11375, 12010, 13650, 15613, 16814, 18015, 22750, 25221, 30025, 31226, 34125, 36030, 42035, 46839, 50442, 60050, 68250, 78065, 84070, 90075, 93678, 109291, 126105, 150125, 156130, 180150, 210175, 218582, 234195, 252210, 300250, 327873, 390325, 420350, 450375, 468390, 546455, 630525, 655746, 780650, 900750, 1050875, 1092910, 1170975, 1261050, 1639365, 1951625, 2101750, 2341950, 2732275, 3152625, 3278730, 3903250, 5464550, 5854875, 6305250, 8196825, 11709750, 13661375, 16393650, 27322750, 40984125, 81968250]

約数ペア:

[(1, 81968250), (2, 40984125), (3, 27322750), (5, 16393650), (6, 13661375), (7, 11709750), (10, 8196825), (13, 6305250), (14, 5854875), (15, 5464550), (21, 3903250), (25, 3278730), (26, 3152625), (30, 2732275), (35, 2341950), (39, 2101750), (42, 1951625), (50, 1639365), (65, 1261050), (70, 1170975), (75, 1092910), (78, 1050875), (91, 900750), (105, 780650), (125, 655746), (130, 630525), (150, 546455), (175, 468390), (182, 450375), (195, 420350), (210, 390325), (250, 327873), (273, 300250), (325, 252210), (350, 234195), (375, 218582), (390, 210175), (455, 180150), (525, 156130), (546, 150125), (650, 126105), (750, 109291), (875, 93678), (910, 90075), (975, 84070), (1050, 78065), (1201, 68250), (1365, 60050), (1625, 50442), (1750, 46839), (1950, 42035), (2275, 36030), (2402, 34125), (2625, 31226), (2730, 30025), (3250, 25221), (3603, 22750), (4550, 18015), (4875, 16814), (5250, 15613), (6005, 13650), (6825, 12010), (7206, 11375), (8407, 9750)]