20949849600

素因数分解:

$2^9\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{17599}}^1$

素因数の和:17661

約数の個数: 240

約数和(自身を含む): 71443046400

約数和(自身を除く): 50493196800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 31, 32, 40, 48, 50, 60, 62, 64, 75, 80, 93, 96, 100, 120, 124, 128, 150, 155, 160, 186, 192, 200, 240, 248, 256, 300, 310, 320, 372, 384, 400, 465, 480, 496, 512, 600, 620, 640, 744, 768, 775, 800, 930, 960, 992, 1200, 1240, 1280, 1488, 1536, 1550, 1600, 1860, 1920, 1984, 2325, 2400, 2480, 2560, 2976, 3100, 3200, 3720, 3840, 3968, 4650, 4800, 4960, 5952, 6200, 6400, 7440, 7680, 7936, 9300, 9600, 9920, 11904, 12400, 12800, 14880, 15872, 17599, 18600, 19200, 19840, 23808, 24800, 29760, 35198, 37200, 38400, 39680, 47616, 49600, 52797, 59520, 70396, 74400, 79360, 87995, 99200, 105594, 119040, 140792, 148800, 175990, 198400, 211188, 238080, 263985, 281584, 297600, 351980, 396800, 422376, 439975, 527970, 545569, 563168, 595200, 703960, 844752, 879950, 1055940, 1091138, 1126336, 1190400, 1319925, 1407920, 1636707, 1689504, 1759900, 2111880, 2182276, 2252672, 2639850, 2727845, 2815840, 3273414, 3379008, 3519800, 4223760, 4364552, 4505344, 5279700, 5455690, 5631680, 6546828, 6758016, 7039600, 8183535, 8447520, 8729104, 9010688, 10559400, 10911380, 11263360, 13093656, 13516032, 13639225, 14079200, 16367070, 16895040, 17458208, 21118800, 21822760, 22526720, 26187312, 27032064, 27278450, 28158400, 32734140, 33790080, 34916416, 40917675, 42237600, 43645520, 45053440, 52374624, 54556900, 56316800, 65468280, 67580160, 69832832, 81835350, 84475200, 87291040, 104749248, 109113800, 112633600, 130936560, 135160320, 139665664, 163670700, 168950400, 174582080, 209498496, 218227600, 225267200, 261873120, 279331328, 327341400, 337900800, 349164160, 418996992, 436455200, 523746240, 654682800, 675801600, 698328320, 837993984, 872910400, 1047492480, 1309365600, 1396656640, 1745820800, 2094984960, 2618731200, 3491641600, 4189969920, 5237462400, 6983283200, 10474924800, 20949849600]

約数ペア:

[(1, 20949849600), (2, 10474924800), (3, 6983283200), (4, 5237462400), (5, 4189969920), (6, 3491641600), (8, 2618731200), (10, 2094984960), (12, 1745820800), (15, 1396656640), (16, 1309365600), (20, 1047492480), (24, 872910400), (25, 837993984), (30, 698328320), (31, 675801600), (32, 654682800), (40, 523746240), (48, 436455200), (50, 418996992), (60, 349164160), (62, 337900800), (64, 327341400), (75, 279331328), (80, 261873120), (93, 225267200), (96, 218227600), (100, 209498496), (120, 174582080), (124, 168950400), (128, 163670700), (150, 139665664), (155, 135160320), (160, 130936560), (186, 112633600), (192, 109113800), (200, 104749248), (240, 87291040), (248, 84475200), (256, 81835350), (300, 69832832), (310, 67580160), (320, 65468280), (372, 56316800), (384, 54556900), (400, 52374624), (465, 45053440), (480, 43645520), (496, 42237600), (512, 40917675), (600, 34916416), (620, 33790080), (640, 32734140), (744, 28158400), (768, 27278450), (775, 27032064), (800, 26187312), (930, 22526720), (960, 21822760), (992, 21118800), (1200, 17458208), (1240, 16895040), (1280, 16367070), (1488, 14079200), (1536, 13639225), (1550, 13516032), (1600, 13093656), (1860, 11263360), (1920, 10911380), (1984, 10559400), (2325, 9010688), (2400, 8729104), (2480, 8447520), (2560, 8183535), (2976, 7039600), (3100, 6758016), (3200, 6546828), (3720, 5631680), (3840, 5455690), (3968, 5279700), (4650, 4505344), (4800, 4364552), (4960, 4223760), (5952, 3519800), (6200, 3379008), (6400, 3273414), (7440, 2815840), (7680, 2727845), (7936, 2639850), (9300, 2252672), (9600, 2182276), (9920, 2111880), (11904, 1759900), (12400, 1689504), (12800, 1636707), (14880, 1407920), (15872, 1319925), (17599, 1190400), (18600, 1126336), (19200, 1091138), (19840, 1055940), (23808, 879950), (24800, 844752), (29760, 703960), (35198, 595200), (37200, 563168), (38400, 545569), (39680, 527970), (47616, 439975), (49600, 422376), (52797, 396800), (59520, 351980), (70396, 297600), (74400, 281584), (79360, 263985), (87995, 238080), (99200, 211188), (105594, 198400), (119040, 175990), (140792, 148800)]