1620798480

素因数分解:

$2^4\times 3^2\times 5^1\times 7^3\times {\mathrm{6563}}^1$

素因数の和:6603

約数の個数: 240

約数和(自身を含む): 6348700800

約数和(自身を除く): 4727902320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 343, 360, 392, 420, 441, 490, 504, 560, 588, 630, 686, 720, 735, 784, 840, 882, 980, 1008, 1029, 1176, 1260, 1372, 1470, 1680, 1715, 1764, 1960, 2058, 2205, 2352, 2520, 2744, 2940, 3087, 3430, 3528, 3920, 4116, 4410, 5040, 5145, 5488, 5880, 6174, 6563, 6860, 7056, 8232, 8820, 10290, 11760, 12348, 13126, 13720, 15435, 16464, 17640, 19689, 20580, 24696, 26252, 27440, 30870, 32815, 35280, 39378, 41160, 45941, 49392, 52504, 59067, 61740, 65630, 78756, 82320, 91882, 98445, 105008, 118134, 123480, 131260, 137823, 157512, 183764, 196890, 229705, 236268, 246960, 262520, 275646, 295335, 315024, 321587, 367528, 393780, 413469, 459410, 472536, 525040, 551292, 590670, 643174, 689115, 735056, 787560, 826938, 918820, 945072, 964761, 1102584, 1181340, 1286348, 1378230, 1575120, 1607935, 1653876, 1837640, 1929522, 2067345, 2205168, 2251109, 2362680, 2572696, 2756460, 2894283, 3215870, 3307752, 3675280, 3859044, 4134690, 4502218, 4725360, 4823805, 5145392, 5512920, 5788566, 6431740, 6615504, 6753327, 7718088, 8269380, 9004436, 9647610, 11025840, 11255545, 11577132, 12863480, 13506654, 14471415, 15436176, 16538760, 18008872, 19295220, 20259981, 22511090, 23154264, 25726960, 27013308, 28942830, 33077520, 33766635, 36017744, 38590440, 40519962, 45022180, 46308528, 54026616, 57885660, 67533270, 77180880, 81039924, 90044360, 101299905, 108053232, 115771320, 135066540, 162079848, 180088720, 202599810, 231542640, 270133080, 324159696, 405199620, 540266160, 810399240, 1620798480]

約数ペア:

[(1, 1620798480), (2, 810399240), (3, 540266160), (4, 405199620), (5, 324159696), (6, 270133080), (7, 231542640), (8, 202599810), (9, 180088720), (10, 162079848), (12, 135066540), (14, 115771320), (15, 108053232), (16, 101299905), (18, 90044360), (20, 81039924), (21, 77180880), (24, 67533270), (28, 57885660), (30, 54026616), (35, 46308528), (36, 45022180), (40, 40519962), (42, 38590440), (45, 36017744), (48, 33766635), (49, 33077520), (56, 28942830), (60, 27013308), (63, 25726960), (70, 23154264), (72, 22511090), (80, 20259981), (84, 19295220), (90, 18008872), (98, 16538760), (105, 15436176), (112, 14471415), (120, 13506654), (126, 12863480), (140, 11577132), (144, 11255545), (147, 11025840), (168, 9647610), (180, 9004436), (196, 8269380), (210, 7718088), (240, 6753327), (245, 6615504), (252, 6431740), (280, 5788566), (294, 5512920), (315, 5145392), (336, 4823805), (343, 4725360), (360, 4502218), (392, 4134690), (420, 3859044), (441, 3675280), (490, 3307752), (504, 3215870), (560, 2894283), (588, 2756460), (630, 2572696), (686, 2362680), (720, 2251109), (735, 2205168), (784, 2067345), (840, 1929522), (882, 1837640), (980, 1653876), (1008, 1607935), (1029, 1575120), (1176, 1378230), (1260, 1286348), (1372, 1181340), (1470, 1102584), (1680, 964761), (1715, 945072), (1764, 918820), (1960, 826938), (2058, 787560), (2205, 735056), (2352, 689115), (2520, 643174), (2744, 590670), (2940, 551292), (3087, 525040), (3430, 472536), (3528, 459410), (3920, 413469), (4116, 393780), (4410, 367528), (5040, 321587), (5145, 315024), (5488, 295335), (5880, 275646), (6174, 262520), (6563, 246960), (6860, 236268), (7056, 229705), (8232, 196890), (8820, 183764), (10290, 157512), (11760, 137823), (12348, 131260), (13126, 123480), (13720, 118134), (15435, 105008), (16464, 98445), (17640, 91882), (19689, 82320), (20580, 78756), (24696, 65630), (26252, 61740), (27440, 59067), (30870, 52504), (32815, 49392), (35280, 45941), (39378, 41160)]