257208840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^3\times {\mathrm{2083}}^1$

素因数の和:2121

約数の個数: 192

約数和(自身を含む): 975312000

約数和(自身を除く): 718103160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 343, 360, 392, 420, 441, 490, 504, 588, 630, 686, 735, 840, 882, 980, 1029, 1176, 1260, 1372, 1470, 1715, 1764, 1960, 2058, 2083, 2205, 2520, 2744, 2940, 3087, 3430, 3528, 4116, 4166, 4410, 5145, 5880, 6174, 6249, 6860, 8232, 8332, 8820, 10290, 10415, 12348, 12498, 13720, 14581, 15435, 16664, 17640, 18747, 20580, 20830, 24696, 24996, 29162, 30870, 31245, 37494, 41160, 41660, 43743, 49992, 58324, 61740, 62490, 72905, 74988, 83320, 87486, 93735, 102067, 116648, 123480, 124980, 131229, 145810, 149976, 174972, 187470, 204134, 218715, 249960, 262458, 291620, 306201, 349944, 374940, 408268, 437430, 510335, 524916, 583240, 612402, 656145, 714469, 749880, 816536, 874860, 918603, 1020670, 1049832, 1224804, 1312290, 1428938, 1531005, 1749720, 1837206, 2041340, 2143407, 2449608, 2624580, 2857876, 3062010, 3572345, 3674412, 4082680, 4286814, 4593015, 5249160, 5715752, 6124020, 6430221, 7144690, 7348824, 8573628, 9186030, 10717035, 12248040, 12860442, 14289380, 17147256, 18372060, 21434070, 25720884, 28578760, 32151105, 36744120, 42868140, 51441768, 64302210, 85736280, 128604420, 257208840]

約数ペア:

[(1, 257208840), (2, 128604420), (3, 85736280), (4, 64302210), (5, 51441768), (6, 42868140), (7, 36744120), (8, 32151105), (9, 28578760), (10, 25720884), (12, 21434070), (14, 18372060), (15, 17147256), (18, 14289380), (20, 12860442), (21, 12248040), (24, 10717035), (28, 9186030), (30, 8573628), (35, 7348824), (36, 7144690), (40, 6430221), (42, 6124020), (45, 5715752), (49, 5249160), (56, 4593015), (60, 4286814), (63, 4082680), (70, 3674412), (72, 3572345), (84, 3062010), (90, 2857876), (98, 2624580), (105, 2449608), (120, 2143407), (126, 2041340), (140, 1837206), (147, 1749720), (168, 1531005), (180, 1428938), (196, 1312290), (210, 1224804), (245, 1049832), (252, 1020670), (280, 918603), (294, 874860), (315, 816536), (343, 749880), (360, 714469), (392, 656145), (420, 612402), (441, 583240), (490, 524916), (504, 510335), (588, 437430), (630, 408268), (686, 374940), (735, 349944), (840, 306201), (882, 291620), (980, 262458), (1029, 249960), (1176, 218715), (1260, 204134), (1372, 187470), (1470, 174972), (1715, 149976), (1764, 145810), (1960, 131229), (2058, 124980), (2083, 123480), (2205, 116648), (2520, 102067), (2744, 93735), (2940, 87486), (3087, 83320), (3430, 74988), (3528, 72905), (4116, 62490), (4166, 61740), (4410, 58324), (5145, 49992), (5880, 43743), (6174, 41660), (6249, 41160), (6860, 37494), (8232, 31245), (8332, 30870), (8820, 29162), (10290, 24996), (10415, 24696), (12348, 20830), (12498, 20580), (13720, 18747), (14581, 17640), (15435, 16664)]