20651400

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1$

素因数の和:189

約数の個数: 288

約数和(自身を含む): 87048000

約数和(自身を除く): 66396600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 25, 28, 30, 33, 35, 36, 40, 42, 44, 45, 50, 55, 56, 60, 63, 66, 70, 72, 75, 77, 84, 88, 90, 99, 100, 105, 110, 120, 126, 132, 140, 149, 150, 154, 165, 168, 175, 180, 198, 200, 210, 220, 225, 231, 252, 264, 275, 280, 298, 300, 308, 315, 330, 350, 360, 385, 396, 420, 440, 447, 450, 462, 495, 504, 525, 550, 596, 600, 616, 630, 660, 693, 700, 745, 770, 792, 825, 840, 894, 900, 924, 990, 1043, 1050, 1100, 1155, 1192, 1260, 1320, 1341, 1386, 1400, 1490, 1540, 1575, 1639, 1650, 1788, 1800, 1848, 1925, 1980, 2086, 2100, 2200, 2235, 2310, 2475, 2520, 2682, 2772, 2980, 3080, 3129, 3150, 3278, 3300, 3465, 3576, 3725, 3850, 3960, 4172, 4200, 4470, 4620, 4917, 4950, 5215, 5364, 5544, 5775, 5960, 6258, 6300, 6556, 6600, 6705, 6930, 7450, 7700, 8195, 8344, 8940, 9240, 9387, 9834, 9900, 10430, 10728, 11175, 11473, 11550, 12516, 12600, 13112, 13410, 13860, 14751, 14900, 15400, 15645, 16390, 17325, 17880, 18774, 19668, 19800, 20860, 22350, 22946, 23100, 24585, 25032, 26075, 26820, 27720, 29502, 29800, 31290, 32780, 33525, 34419, 34650, 37548, 39336, 40975, 41720, 44700, 45892, 46200, 46935, 49170, 52150, 53640, 57365, 59004, 62580, 65560, 67050, 68838, 69300, 73755, 75096, 78225, 81950, 89400, 91784, 93870, 98340, 103257, 104300, 114730, 118008, 122925, 125160, 134100, 137676, 138600, 147510, 156450, 163900, 172095, 187740, 196680, 206514, 208600, 229460, 234675, 245850, 268200, 275352, 286825, 295020, 312900, 327800, 344190, 368775, 375480, 413028, 458920, 469350, 491700, 516285, 573650, 590040, 625800, 688380, 737550, 826056, 860475, 938700, 983400, 1032570, 1147300, 1376760, 1475100, 1720950, 1877400, 2065140, 2294600, 2581425, 2950200, 3441900, 4130280, 5162850, 6883800, 10325700, 20651400]

約数ペア:

[(1, 20651400), (2, 10325700), (3, 6883800), (4, 5162850), (5, 4130280), (6, 3441900), (7, 2950200), (8, 2581425), (9, 2294600), (10, 2065140), (11, 1877400), (12, 1720950), (14, 1475100), (15, 1376760), (18, 1147300), (20, 1032570), (21, 983400), (22, 938700), (24, 860475), (25, 826056), (28, 737550), (30, 688380), (33, 625800), (35, 590040), (36, 573650), (40, 516285), (42, 491700), (44, 469350), (45, 458920), (50, 413028), (55, 375480), (56, 368775), (60, 344190), (63, 327800), (66, 312900), (70, 295020), (72, 286825), (75, 275352), (77, 268200), (84, 245850), (88, 234675), (90, 229460), (99, 208600), (100, 206514), (105, 196680), (110, 187740), (120, 172095), (126, 163900), (132, 156450), (140, 147510), (149, 138600), (150, 137676), (154, 134100), (165, 125160), (168, 122925), (175, 118008), (180, 114730), (198, 104300), (200, 103257), (210, 98340), (220, 93870), (225, 91784), (231, 89400), (252, 81950), (264, 78225), (275, 75096), (280, 73755), (298, 69300), (300, 68838), (308, 67050), (315, 65560), (330, 62580), (350, 59004), (360, 57365), (385, 53640), (396, 52150), (420, 49170), (440, 46935), (447, 46200), (450, 45892), (462, 44700), (495, 41720), (504, 40975), (525, 39336), (550, 37548), (596, 34650), (600, 34419), (616, 33525), (630, 32780), (660, 31290), (693, 29800), (700, 29502), (745, 27720), (770, 26820), (792, 26075), (825, 25032), (840, 24585), (894, 23100), (900, 22946), (924, 22350), (990, 20860), (1043, 19800), (1050, 19668), (1100, 18774), (1155, 17880), (1192, 17325), (1260, 16390), (1320, 15645), (1341, 15400), (1386, 14900), (1400, 14751), (1490, 13860), (1540, 13410), (1575, 13112), (1639, 12600), (1650, 12516), (1788, 11550), (1800, 11473), (1848, 11175), (1925, 10728), (1980, 10430), (2086, 9900), (2100, 9834), (2200, 9387), (2235, 9240), (2310, 8940), (2475, 8344), (2520, 8195), (2682, 7700), (2772, 7450), (2980, 6930), (3080, 6705), (3129, 6600), (3150, 6556), (3278, 6300), (3300, 6258), (3465, 5960), (3576, 5775), (3725, 5544), (3850, 5364), (3960, 5215), (4172, 4950), (4200, 4917), (4470, 4620)]