208015920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{277}}^1$

素因数の和:452

約数の個数: 240

約数和(自身を含む): 806644800

約数和(自身を除く): 598628880

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, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 149, 168, 180, 210, 240, 252, 277, 280, 298, 315, 336, 360, 420, 447, 504, 554, 560, 596, 630, 720, 745, 831, 840, 894, 1008, 1043, 1108, 1192, 1260, 1341, 1385, 1490, 1662, 1680, 1788, 1939, 2086, 2216, 2235, 2384, 2493, 2520, 2682, 2770, 2980, 3129, 3324, 3576, 3878, 4155, 4172, 4432, 4470, 4986, 5040, 5215, 5364, 5540, 5817, 5960, 6258, 6648, 6705, 7152, 7756, 8310, 8344, 8940, 9387, 9695, 9972, 10430, 10728, 11080, 11634, 11920, 12465, 12516, 13296, 13410, 15512, 15645, 16620, 16688, 17451, 17880, 18774, 19390, 19944, 20860, 21456, 22160, 23268, 24930, 25032, 26820, 29085, 31024, 31290, 33240, 34902, 35760, 37548, 38780, 39888, 41273, 41720, 46536, 46935, 49860, 50064, 53640, 58170, 62580, 66480, 69804, 75096, 77560, 82546, 83440, 87255, 93072, 93870, 99720, 107280, 116340, 123819, 125160, 139608, 150192, 155120, 165092, 174510, 187740, 199440, 206365, 232680, 247638, 250320, 279216, 288911, 330184, 349020, 371457, 375480, 412730, 465360, 495276, 577822, 619095, 660368, 698040, 742914, 750960, 825460, 866733, 990552, 1155644, 1238190, 1396080, 1444555, 1485828, 1650920, 1733466, 1857285, 1981104, 2311288, 2476380, 2600199, 2889110, 2971656, 3301840, 3466932, 3714570, 4333665, 4622576, 4952760, 5200398, 5778220, 5943312, 6933864, 7429140, 8667330, 9905520, 10400796, 11556440, 13000995, 13867728, 14858280, 17334660, 20801592, 23112880, 26001990, 29716560, 34669320, 41603184, 52003980, 69338640, 104007960, 208015920]

約数ペア:

[(1, 208015920), (2, 104007960), (3, 69338640), (4, 52003980), (5, 41603184), (6, 34669320), (7, 29716560), (8, 26001990), (9, 23112880), (10, 20801592), (12, 17334660), (14, 14858280), (15, 13867728), (16, 13000995), (18, 11556440), (20, 10400796), (21, 9905520), (24, 8667330), (28, 7429140), (30, 6933864), (35, 5943312), (36, 5778220), (40, 5200398), (42, 4952760), (45, 4622576), (48, 4333665), (56, 3714570), (60, 3466932), (63, 3301840), (70, 2971656), (72, 2889110), (80, 2600199), (84, 2476380), (90, 2311288), (105, 1981104), (112, 1857285), (120, 1733466), (126, 1650920), (140, 1485828), (144, 1444555), (149, 1396080), (168, 1238190), (180, 1155644), (210, 990552), (240, 866733), (252, 825460), (277, 750960), (280, 742914), (298, 698040), (315, 660368), (336, 619095), (360, 577822), (420, 495276), (447, 465360), (504, 412730), (554, 375480), (560, 371457), (596, 349020), (630, 330184), (720, 288911), (745, 279216), (831, 250320), (840, 247638), (894, 232680), (1008, 206365), (1043, 199440), (1108, 187740), (1192, 174510), (1260, 165092), (1341, 155120), (1385, 150192), (1490, 139608), (1662, 125160), (1680, 123819), (1788, 116340), (1939, 107280), (2086, 99720), (2216, 93870), (2235, 93072), (2384, 87255), (2493, 83440), (2520, 82546), (2682, 77560), (2770, 75096), (2980, 69804), (3129, 66480), (3324, 62580), (3576, 58170), (3878, 53640), (4155, 50064), (4172, 49860), (4432, 46935), (4470, 46536), (4986, 41720), (5040, 41273), (5215, 39888), (5364, 38780), (5540, 37548), (5817, 35760), (5960, 34902), (6258, 33240), (6648, 31290), (6705, 31024), (7152, 29085), (7756, 26820), (8310, 25032), (8344, 24930), (8940, 23268), (9387, 22160), (9695, 21456), (9972, 20860), (10430, 19944), (10728, 19390), (11080, 18774), (11634, 17880), (11920, 17451), (12465, 16688), (12516, 16620), (13296, 15645), (13410, 15512)]