1538540960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:515

約数の個数: 192

約数和(自身を含む): 4216665600

約数和(自身を除く): 2678124640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 110, 139, 152, 160, 176, 190, 209, 220, 278, 304, 331, 352, 380, 418, 440, 556, 608, 662, 695, 760, 836, 880, 1045, 1112, 1324, 1390, 1520, 1529, 1655, 1672, 1760, 2090, 2224, 2641, 2648, 2780, 3040, 3058, 3310, 3344, 3641, 4180, 4448, 5282, 5296, 5560, 6116, 6289, 6620, 6688, 7282, 7645, 8360, 10564, 10592, 11120, 12232, 12578, 13205, 13240, 14564, 15290, 16720, 18205, 21128, 22240, 24464, 25156, 26410, 26480, 29051, 29128, 30580, 31445, 33440, 36410, 42256, 46009, 48928, 50312, 52820, 52960, 58102, 58256, 61160, 62890, 69179, 72820, 84512, 92018, 100624, 105640, 116204, 116512, 122320, 125780, 138358, 145255, 145640, 184036, 201248, 211280, 230045, 232408, 244640, 251560, 276716, 290510, 291280, 345895, 368072, 422560, 460090, 464816, 503120, 506099, 553432, 581020, 582560, 691790, 736144, 874171, 920180, 929632, 1006240, 1012198, 1106864, 1162040, 1383580, 1472288, 1748342, 1840360, 2024396, 2213728, 2324080, 2530495, 2767160, 3496684, 3680720, 4048792, 4370855, 4648160, 5060990, 5534320, 6993368, 7361440, 8097584, 8741710, 9615881, 10121980, 11068640, 13986736, 16195168, 17483420, 19231762, 20243960, 27973472, 34966840, 38463524, 40487920, 48079405, 69933680, 76927048, 80975840, 96158810, 139867360, 153854096, 192317620, 307708192, 384635240, 769270480, 1538540960]

約数ペア:

[(1, 1538540960), (2, 769270480), (4, 384635240), (5, 307708192), (8, 192317620), (10, 153854096), (11, 139867360), (16, 96158810), (19, 80975840), (20, 76927048), (22, 69933680), (32, 48079405), (38, 40487920), (40, 38463524), (44, 34966840), (55, 27973472), (76, 20243960), (80, 19231762), (88, 17483420), (95, 16195168), (110, 13986736), (139, 11068640), (152, 10121980), (160, 9615881), (176, 8741710), (190, 8097584), (209, 7361440), (220, 6993368), (278, 5534320), (304, 5060990), (331, 4648160), (352, 4370855), (380, 4048792), (418, 3680720), (440, 3496684), (556, 2767160), (608, 2530495), (662, 2324080), (695, 2213728), (760, 2024396), (836, 1840360), (880, 1748342), (1045, 1472288), (1112, 1383580), (1324, 1162040), (1390, 1106864), (1520, 1012198), (1529, 1006240), (1655, 929632), (1672, 920180), (1760, 874171), (2090, 736144), (2224, 691790), (2641, 582560), (2648, 581020), (2780, 553432), (3040, 506099), (3058, 503120), (3310, 464816), (3344, 460090), (3641, 422560), (4180, 368072), (4448, 345895), (5282, 291280), (5296, 290510), (5560, 276716), (6116, 251560), (6289, 244640), (6620, 232408), (6688, 230045), (7282, 211280), (7645, 201248), (8360, 184036), (10564, 145640), (10592, 145255), (11120, 138358), (12232, 125780), (12578, 122320), (13205, 116512), (13240, 116204), (14564, 105640), (15290, 100624), (16720, 92018), (18205, 84512), (21128, 72820), (22240, 69179), (24464, 62890), (25156, 61160), (26410, 58256), (26480, 58102), (29051, 52960), (29128, 52820), (30580, 50312), (31445, 48928), (33440, 46009), (36410, 42256)]