644802480

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4127}}^1$

素因数の和:4184

約数の個数: 240

約数和(自身を含む): 2555265024

約数和(自身を除く): 1910462544

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 420, 434, 465, 496, 504, 558, 560, 620, 630, 651, 720, 744, 840, 868, 930, 1008, 1085, 1116, 1240, 1260, 1302, 1395, 1488, 1680, 1736, 1860, 1953, 2170, 2232, 2480, 2520, 2604, 2790, 3255, 3472, 3720, 3906, 4127, 4340, 4464, 5040, 5208, 5580, 6510, 7440, 7812, 8254, 8680, 9765, 10416, 11160, 12381, 13020, 15624, 16508, 17360, 19530, 20635, 22320, 24762, 26040, 28889, 31248, 33016, 37143, 39060, 41270, 49524, 52080, 57778, 61905, 66032, 74286, 78120, 82540, 86667, 99048, 115556, 123810, 127937, 144445, 148572, 156240, 165080, 173334, 185715, 198096, 231112, 247620, 255874, 260001, 288890, 297144, 330160, 346668, 371430, 383811, 433335, 462224, 495240, 511748, 520002, 577780, 594288, 639685, 693336, 742860, 767622, 866670, 895559, 990480, 1023496, 1040004, 1151433, 1155560, 1279370, 1300005, 1386672, 1485720, 1535244, 1733340, 1791118, 1919055, 2046992, 2080008, 2302866, 2311120, 2558740, 2600010, 2686677, 2971440, 3070488, 3466680, 3582236, 3838110, 4160016, 4477795, 4605732, 5117480, 5200020, 5373354, 5757165, 6140976, 6933360, 7164472, 7676220, 8060031, 8955590, 9211464, 10234960, 10400040, 10746708, 11514330, 13433385, 14328944, 15352440, 16120062, 17911180, 18422928, 20800080, 21493416, 23028660, 26866770, 30704880, 32240124, 35822360, 40300155, 42986832, 46057320, 53733540, 64480248, 71644720, 80600310, 92114640, 107467080, 128960496, 161200620, 214934160, 322401240, 644802480]

約数ペア:

[(1, 644802480), (2, 322401240), (3, 214934160), (4, 161200620), (5, 128960496), (6, 107467080), (7, 92114640), (8, 80600310), (9, 71644720), (10, 64480248), (12, 53733540), (14, 46057320), (15, 42986832), (16, 40300155), (18, 35822360), (20, 32240124), (21, 30704880), (24, 26866770), (28, 23028660), (30, 21493416), (31, 20800080), (35, 18422928), (36, 17911180), (40, 16120062), (42, 15352440), (45, 14328944), (48, 13433385), (56, 11514330), (60, 10746708), (62, 10400040), (63, 10234960), (70, 9211464), (72, 8955590), (80, 8060031), (84, 7676220), (90, 7164472), (93, 6933360), (105, 6140976), (112, 5757165), (120, 5373354), (124, 5200020), (126, 5117480), (140, 4605732), (144, 4477795), (155, 4160016), (168, 3838110), (180, 3582236), (186, 3466680), (210, 3070488), (217, 2971440), (240, 2686677), (248, 2600010), (252, 2558740), (279, 2311120), (280, 2302866), (310, 2080008), (315, 2046992), (336, 1919055), (360, 1791118), (372, 1733340), (420, 1535244), (434, 1485720), (465, 1386672), (496, 1300005), (504, 1279370), (558, 1155560), (560, 1151433), (620, 1040004), (630, 1023496), (651, 990480), (720, 895559), (744, 866670), (840, 767622), (868, 742860), (930, 693336), (1008, 639685), (1085, 594288), (1116, 577780), (1240, 520002), (1260, 511748), (1302, 495240), (1395, 462224), (1488, 433335), (1680, 383811), (1736, 371430), (1860, 346668), (1953, 330160), (2170, 297144), (2232, 288890), (2480, 260001), (2520, 255874), (2604, 247620), (2790, 231112), (3255, 198096), (3472, 185715), (3720, 173334), (3906, 165080), (4127, 156240), (4340, 148572), (4464, 144445), (5040, 127937), (5208, 123810), (5580, 115556), (6510, 99048), (7440, 86667), (7812, 82540), (8254, 78120), (8680, 74286), (9765, 66032), (10416, 61905), (11160, 57778), (12381, 52080), (13020, 49524), (15624, 41270), (16508, 39060), (17360, 37143), (19530, 33016), (20635, 31248), (22320, 28889), (24762, 26040)]