1900515960

素因数分解:

$2^3\times 3^4\times 5^1\times 7^2\times {\mathrm{11971}}^1$

素因数の和:12008

約数の個数: 240

約数和(自身を含む): 7431379560

約数和(自身を除く): 5530863600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 324, 360, 378, 392, 405, 420, 441, 490, 504, 540, 567, 588, 630, 648, 735, 756, 810, 840, 882, 945, 980, 1080, 1134, 1176, 1260, 1323, 1470, 1512, 1620, 1764, 1890, 1960, 2205, 2268, 2520, 2646, 2835, 2940, 3240, 3528, 3780, 3969, 4410, 4536, 5292, 5670, 5880, 6615, 7560, 7938, 8820, 10584, 11340, 11971, 13230, 15876, 17640, 19845, 22680, 23942, 26460, 31752, 35913, 39690, 47884, 52920, 59855, 71826, 79380, 83797, 95768, 107739, 119710, 143652, 158760, 167594, 179565, 215478, 239420, 251391, 287304, 323217, 335188, 359130, 418985, 430956, 478840, 502782, 538695, 586579, 646434, 670376, 718260, 754173, 837970, 861912, 969651, 1005564, 1077390, 1173158, 1256955, 1292868, 1436520, 1508346, 1616085, 1675940, 1759737, 1939302, 2011128, 2154780, 2262519, 2346316, 2513910, 2585736, 2932895, 3016692, 3232170, 3351880, 3519474, 3770865, 3878604, 4309560, 4525038, 4692632, 4848255, 5027820, 5279211, 5865790, 6033384, 6464340, 6787557, 7038948, 7541730, 7757208, 8798685, 9050076, 9696510, 10055640, 10558422, 11312595, 11731580, 12928680, 13575114, 14077896, 15083460, 15837633, 17597370, 18100152, 19393020, 21116844, 22625190, 23463160, 26396055, 27150228, 30166920, 31675266, 33937785, 35194740, 38786040, 42233688, 45250380, 47512899, 52792110, 54300456, 63350532, 67875570, 70389480, 79188165, 90500760, 95025798, 105584220, 126701064, 135751140, 158376330, 190051596, 211168440, 237564495, 271502280, 316752660, 380103192, 475128990, 633505320, 950257980, 1900515960]

約数ペア:

[(1, 1900515960), (2, 950257980), (3, 633505320), (4, 475128990), (5, 380103192), (6, 316752660), (7, 271502280), (8, 237564495), (9, 211168440), (10, 190051596), (12, 158376330), (14, 135751140), (15, 126701064), (18, 105584220), (20, 95025798), (21, 90500760), (24, 79188165), (27, 70389480), (28, 67875570), (30, 63350532), (35, 54300456), (36, 52792110), (40, 47512899), (42, 45250380), (45, 42233688), (49, 38786040), (54, 35194740), (56, 33937785), (60, 31675266), (63, 30166920), (70, 27150228), (72, 26396055), (81, 23463160), (84, 22625190), (90, 21116844), (98, 19393020), (105, 18100152), (108, 17597370), (120, 15837633), (126, 15083460), (135, 14077896), (140, 13575114), (147, 12928680), (162, 11731580), (168, 11312595), (180, 10558422), (189, 10055640), (196, 9696510), (210, 9050076), (216, 8798685), (245, 7757208), (252, 7541730), (270, 7038948), (280, 6787557), (294, 6464340), (315, 6033384), (324, 5865790), (360, 5279211), (378, 5027820), (392, 4848255), (405, 4692632), (420, 4525038), (441, 4309560), (490, 3878604), (504, 3770865), (540, 3519474), (567, 3351880), (588, 3232170), (630, 3016692), (648, 2932895), (735, 2585736), (756, 2513910), (810, 2346316), (840, 2262519), (882, 2154780), (945, 2011128), (980, 1939302), (1080, 1759737), (1134, 1675940), (1176, 1616085), (1260, 1508346), (1323, 1436520), (1470, 1292868), (1512, 1256955), (1620, 1173158), (1764, 1077390), (1890, 1005564), (1960, 969651), (2205, 861912), (2268, 837970), (2520, 754173), (2646, 718260), (2835, 670376), (2940, 646434), (3240, 586579), (3528, 538695), (3780, 502782), (3969, 478840), (4410, 430956), (4536, 418985), (5292, 359130), (5670, 335188), (5880, 323217), (6615, 287304), (7560, 251391), (7938, 239420), (8820, 215478), (10584, 179565), (11340, 167594), (11971, 158760), (13230, 143652), (15876, 119710), (17640, 107739), (19845, 95768), (22680, 83797), (23942, 79380), (26460, 71826), (31752, 59855), (35913, 52920), (39690, 47884)]