261539250

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1607}}^1$

素因数の和:1665

約数の個数: 128

約数和(自身を含む): 770605056

約数和(自身を除く): 509065806

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 31, 35, 42, 50, 62, 70, 75, 93, 105, 125, 150, 155, 175, 186, 210, 217, 250, 310, 350, 375, 434, 465, 525, 651, 750, 775, 875, 930, 1050, 1085, 1302, 1550, 1607, 1750, 2170, 2325, 2625, 3214, 3255, 3875, 4650, 4821, 5250, 5425, 6510, 7750, 8035, 9642, 10850, 11249, 11625, 16070, 16275, 22498, 23250, 24105, 27125, 32550, 33747, 40175, 48210, 49817, 54250, 56245, 67494, 80350, 81375, 99634, 112490, 120525, 149451, 162750, 168735, 200875, 241050, 249085, 281225, 298902, 337470, 348719, 401750, 498170, 562450, 602625, 697438, 747255, 843675, 1046157, 1205250, 1245425, 1406125, 1494510, 1687350, 1743595, 2092314, 2490850, 2812250, 3487190, 3736275, 4218375, 5230785, 6227125, 7472550, 8436750, 8717975, 10461570, 12454250, 17435950, 18681375, 26153925, 37362750, 43589875, 52307850, 87179750, 130769625, 261539250]

約数ペア:

[(1, 261539250), (2, 130769625), (3, 87179750), (5, 52307850), (6, 43589875), (7, 37362750), (10, 26153925), (14, 18681375), (15, 17435950), (21, 12454250), (25, 10461570), (30, 8717975), (31, 8436750), (35, 7472550), (42, 6227125), (50, 5230785), (62, 4218375), (70, 3736275), (75, 3487190), (93, 2812250), (105, 2490850), (125, 2092314), (150, 1743595), (155, 1687350), (175, 1494510), (186, 1406125), (210, 1245425), (217, 1205250), (250, 1046157), (310, 843675), (350, 747255), (375, 697438), (434, 602625), (465, 562450), (525, 498170), (651, 401750), (750, 348719), (775, 337470), (875, 298902), (930, 281225), (1050, 249085), (1085, 241050), (1302, 200875), (1550, 168735), (1607, 162750), (1750, 149451), (2170, 120525), (2325, 112490), (2625, 99634), (3214, 81375), (3255, 80350), (3875, 67494), (4650, 56245), (4821, 54250), (5250, 49817), (5425, 48210), (6510, 40175), (7750, 33747), (8035, 32550), (9642, 27125), (10850, 24105), (11249, 23250), (11625, 22498), (16070, 16275)]