205145640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{641}}^1$

素因数の和:792

約数の個数: 192

約数和(自身を含む): 769167360

約数和(自身を除く): 564021720

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, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 127, 140, 168, 180, 210, 252, 254, 280, 315, 360, 381, 420, 504, 508, 630, 635, 641, 762, 840, 889, 1016, 1143, 1260, 1270, 1282, 1524, 1778, 1905, 1923, 2286, 2520, 2540, 2564, 2667, 3048, 3205, 3556, 3810, 3846, 4445, 4487, 4572, 5080, 5128, 5334, 5715, 5769, 6410, 7112, 7620, 7692, 8001, 8890, 8974, 9144, 9615, 10668, 11430, 11538, 12820, 13335, 13461, 15240, 15384, 16002, 17780, 17948, 19230, 21336, 22435, 22860, 23076, 25640, 26670, 26922, 28845, 32004, 35560, 35896, 38460, 40005, 40383, 44870, 45720, 46152, 53340, 53844, 57690, 64008, 67305, 76920, 80010, 80766, 81407, 89740, 106680, 107688, 115380, 134610, 160020, 161532, 162814, 179480, 201915, 230760, 244221, 269220, 320040, 323064, 325628, 403830, 407035, 488442, 538440, 569849, 651256, 732663, 807660, 814070, 976884, 1139698, 1221105, 1465326, 1615320, 1628140, 1709547, 1953768, 2279396, 2442210, 2849245, 2930652, 3256280, 3419094, 3663315, 4558792, 4884420, 5128641, 5698490, 5861304, 6838188, 7326630, 8547735, 9768840, 10257282, 11396980, 13676376, 14653260, 17095470, 20514564, 22793960, 25643205, 29306520, 34190940, 41029128, 51286410, 68381880, 102572820, 205145640]

約数ペア:

[(1, 205145640), (2, 102572820), (3, 68381880), (4, 51286410), (5, 41029128), (6, 34190940), (7, 29306520), (8, 25643205), (9, 22793960), (10, 20514564), (12, 17095470), (14, 14653260), (15, 13676376), (18, 11396980), (20, 10257282), (21, 9768840), (24, 8547735), (28, 7326630), (30, 6838188), (35, 5861304), (36, 5698490), (40, 5128641), (42, 4884420), (45, 4558792), (56, 3663315), (60, 3419094), (63, 3256280), (70, 2930652), (72, 2849245), (84, 2442210), (90, 2279396), (105, 1953768), (120, 1709547), (126, 1628140), (127, 1615320), (140, 1465326), (168, 1221105), (180, 1139698), (210, 976884), (252, 814070), (254, 807660), (280, 732663), (315, 651256), (360, 569849), (381, 538440), (420, 488442), (504, 407035), (508, 403830), (630, 325628), (635, 323064), (641, 320040), (762, 269220), (840, 244221), (889, 230760), (1016, 201915), (1143, 179480), (1260, 162814), (1270, 161532), (1282, 160020), (1524, 134610), (1778, 115380), (1905, 107688), (1923, 106680), (2286, 89740), (2520, 81407), (2540, 80766), (2564, 80010), (2667, 76920), (3048, 67305), (3205, 64008), (3556, 57690), (3810, 53844), (3846, 53340), (4445, 46152), (4487, 45720), (4572, 44870), (5080, 40383), (5128, 40005), (5334, 38460), (5715, 35896), (5769, 35560), (6410, 32004), (7112, 28845), (7620, 26922), (7692, 26670), (8001, 25640), (8890, 23076), (8974, 22860), (9144, 22435), (9615, 21336), (10668, 19230), (11430, 17948), (11538, 17780), (12820, 16002), (13335, 15384), (13461, 15240)]