128572500

素因数分解:

$2^2\times 3^1\times 5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 240

約数和(自身を含む): 447856640

約数和(自身を除く): 319284140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 31, 35, 42, 50, 60, 62, 70, 75, 79, 84, 93, 100, 105, 124, 125, 140, 150, 155, 158, 175, 186, 210, 217, 237, 250, 300, 310, 316, 350, 372, 375, 395, 420, 434, 465, 474, 500, 525, 553, 620, 625, 651, 700, 750, 775, 790, 868, 875, 930, 948, 1050, 1085, 1106, 1185, 1250, 1302, 1500, 1550, 1580, 1659, 1750, 1860, 1875, 1975, 2100, 2170, 2212, 2325, 2370, 2449, 2500, 2604, 2625, 2765, 3100, 3255, 3318, 3500, 3750, 3875, 3950, 4340, 4375, 4650, 4740, 4898, 5250, 5425, 5530, 5925, 6510, 6636, 7347, 7500, 7750, 7900, 8295, 8750, 9300, 9796, 9875, 10500, 10850, 11060, 11625, 11850, 12245, 13020, 13125, 13825, 14694, 15500, 16275, 16590, 17143, 17500, 19375, 19750, 21700, 23250, 23700, 24490, 26250, 27125, 27650, 29388, 29625, 32550, 33180, 34286, 36735, 38750, 39500, 41475, 46500, 48980, 49375, 51429, 52500, 54250, 55300, 58125, 59250, 61225, 65100, 68572, 69125, 73470, 77500, 81375, 82950, 85715, 98750, 102858, 108500, 116250, 118500, 122450, 135625, 138250, 146940, 148125, 162750, 165900, 171430, 183675, 197500, 205716, 207375, 232500, 244900, 257145, 271250, 276500, 296250, 306125, 325500, 342860, 345625, 367350, 406875, 414750, 428575, 514290, 542500, 592500, 612250, 691250, 734700, 813750, 829500, 857150, 918375, 1028580, 1036875, 1224500, 1285725, 1382500, 1530625, 1627500, 1714300, 1836750, 2073750, 2142875, 2571450, 3061250, 3673500, 4147500, 4285750, 4591875, 5142900, 6122500, 6428625, 8571500, 9183750, 10714375, 12857250, 18367500, 21428750, 25714500, 32143125, 42857500, 64286250, 128572500]

約数ペア:

[(1, 128572500), (2, 64286250), (3, 42857500), (4, 32143125), (5, 25714500), (6, 21428750), (7, 18367500), (10, 12857250), (12, 10714375), (14, 9183750), (15, 8571500), (20, 6428625), (21, 6122500), (25, 5142900), (28, 4591875), (30, 4285750), (31, 4147500), (35, 3673500), (42, 3061250), (50, 2571450), (60, 2142875), (62, 2073750), (70, 1836750), (75, 1714300), (79, 1627500), (84, 1530625), (93, 1382500), (100, 1285725), (105, 1224500), (124, 1036875), (125, 1028580), (140, 918375), (150, 857150), (155, 829500), (158, 813750), (175, 734700), (186, 691250), (210, 612250), (217, 592500), (237, 542500), (250, 514290), (300, 428575), (310, 414750), (316, 406875), (350, 367350), (372, 345625), (375, 342860), (395, 325500), (420, 306125), (434, 296250), (465, 276500), (474, 271250), (500, 257145), (525, 244900), (553, 232500), (620, 207375), (625, 205716), (651, 197500), (700, 183675), (750, 171430), (775, 165900), (790, 162750), (868, 148125), (875, 146940), (930, 138250), (948, 135625), (1050, 122450), (1085, 118500), (1106, 116250), (1185, 108500), (1250, 102858), (1302, 98750), (1500, 85715), (1550, 82950), (1580, 81375), (1659, 77500), (1750, 73470), (1860, 69125), (1875, 68572), (1975, 65100), (2100, 61225), (2170, 59250), (2212, 58125), (2325, 55300), (2370, 54250), (2449, 52500), (2500, 51429), (2604, 49375), (2625, 48980), (2765, 46500), (3100, 41475), (3255, 39500), (3318, 38750), (3500, 36735), (3750, 34286), (3875, 33180), (3950, 32550), (4340, 29625), (4375, 29388), (4650, 27650), (4740, 27125), (4898, 26250), (5250, 24490), (5425, 23700), (5530, 23250), (5925, 21700), (6510, 19750), (6636, 19375), (7347, 17500), (7500, 17143), (7750, 16590), (7900, 16275), (8295, 15500), (8750, 14694), (9300, 13825), (9796, 13125), (9875, 13020), (10500, 12245), (10850, 11850), (11060, 11625)]