20450902680

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{997}}^1$

素因数の和:1520

約数の個数: 320

約数和(自身を含む): 74251679040

約数和(自身を除く): 53800776360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 260, 270, 312, 324, 351, 360, 390, 405, 468, 487, 520, 540, 585, 648, 702, 780, 810, 936, 974, 997, 1053, 1080, 1170, 1404, 1461, 1560, 1620, 1755, 1948, 1994, 2106, 2340, 2435, 2808, 2922, 2991, 3240, 3510, 3896, 3988, 4212, 4383, 4680, 4870, 4985, 5265, 5844, 5982, 6331, 7020, 7305, 7976, 8424, 8766, 8973, 9740, 9970, 10530, 11688, 11964, 12662, 12961, 13149, 14040, 14610, 14955, 17532, 17946, 18993, 19480, 19940, 21060, 21915, 23928, 25324, 25922, 26298, 26919, 29220, 29910, 31655, 35064, 35892, 37986, 38883, 39447, 39880, 42120, 43830, 44865, 50648, 51844, 52596, 53838, 56979, 58440, 59820, 63310, 64805, 65745, 71784, 75972, 77766, 78894, 80757, 87660, 89730, 94965, 103688, 105192, 107676, 113958, 116649, 119640, 126620, 129610, 131490, 134595, 151944, 155532, 157788, 161514, 170937, 175320, 179460, 189930, 194415, 197235, 215352, 227916, 233298, 253240, 259220, 262980, 269190, 284895, 311064, 315576, 323028, 341874, 349947, 358920, 379860, 388830, 394470, 403785, 455832, 466596, 485539, 512811, 518440, 525960, 538380, 569790, 583245, 646056, 683748, 699894, 759720, 777660, 788940, 807570, 854685, 933192, 971078, 1025622, 1049841, 1076760, 1139580, 1166490, 1367496, 1399788, 1456617, 1555320, 1577880, 1615140, 1709370, 1749735, 1942156, 2051244, 2099682, 2279160, 2332980, 2427695, 2564055, 2799576, 2913234, 3230280, 3418740, 3499470, 3884312, 4102488, 4199364, 4369851, 4665960, 4855390, 5128110, 5249205, 5826468, 6312007, 6837480, 6998940, 7283085, 8398728, 8739702, 9710780, 10256220, 10498410, 11652936, 12624014, 13109553, 13997880, 14566170, 17479404, 18936021, 19421560, 20512440, 20996820, 21849255, 25248028, 26219106, 29132340, 31560035, 34958808, 37872042, 39328659, 41993640, 43698510, 50496056, 52438212, 56808063, 58264680, 63120070, 65547765, 75744084, 78657318, 87397020, 94680105, 104876424, 113616126, 126240140, 131095530, 151488168, 157314636, 170424189, 174794040, 189360210, 196643295, 227232252, 252480280, 262191060, 284040315, 314629272, 340848378, 378720420, 393286590, 454464504, 511272567, 524382120, 568080630, 681696756, 757440840, 786573180, 852120945, 1022545134, 1136161260, 1363393512, 1573146360, 1704241890, 2045090268, 2272322520, 2556362835, 3408483780, 4090180536, 5112725670, 6816967560, 10225451340, 20450902680]

約数ペア:

[(1, 20450902680), (2, 10225451340), (3, 6816967560), (4, 5112725670), (5, 4090180536), (6, 3408483780), (8, 2556362835), (9, 2272322520), (10, 2045090268), (12, 1704241890), (13, 1573146360), (15, 1363393512), (18, 1136161260), (20, 1022545134), (24, 852120945), (26, 786573180), (27, 757440840), (30, 681696756), (36, 568080630), (39, 524382120), (40, 511272567), (45, 454464504), (52, 393286590), (54, 378720420), (60, 340848378), (65, 314629272), (72, 284040315), (78, 262191060), (81, 252480280), (90, 227232252), (104, 196643295), (108, 189360210), (117, 174794040), (120, 170424189), (130, 157314636), (135, 151488168), (156, 131095530), (162, 126240140), (180, 113616126), (195, 104876424), (216, 94680105), (234, 87397020), (260, 78657318), (270, 75744084), (312, 65547765), (324, 63120070), (351, 58264680), (360, 56808063), (390, 52438212), (405, 50496056), (468, 43698510), (487, 41993640), (520, 39328659), (540, 37872042), (585, 34958808), (648, 31560035), (702, 29132340), (780, 26219106), (810, 25248028), (936, 21849255), (974, 20996820), (997, 20512440), (1053, 19421560), (1080, 18936021), (1170, 17479404), (1404, 14566170), (1461, 13997880), (1560, 13109553), (1620, 12624014), (1755, 11652936), (1948, 10498410), (1994, 10256220), (2106, 9710780), (2340, 8739702), (2435, 8398728), (2808, 7283085), (2922, 6998940), (2991, 6837480), (3240, 6312007), (3510, 5826468), (3896, 5249205), (3988, 5128110), (4212, 4855390), (4383, 4665960), (4680, 4369851), (4870, 4199364), (4985, 4102488), (5265, 3884312), (5844, 3499470), (5982, 3418740), (6331, 3230280), (7020, 2913234), (7305, 2799576), (7976, 2564055), (8424, 2427695), (8766, 2332980), (8973, 2279160), (9740, 2099682), (9970, 2051244), (10530, 1942156), (11688, 1749735), (11964, 1709370), (12662, 1615140), (12961, 1577880), (13149, 1555320), (14040, 1456617), (14610, 1399788), (14955, 1367496), (17532, 1166490), (17946, 1139580), (18993, 1076760), (19480, 1049841), (19940, 1025622), (21060, 971078), (21915, 933192), (23928, 854685), (25324, 807570), (25922, 788940), (26298, 777660), (26919, 759720), (29220, 699894), (29910, 683748), (31655, 646056), (35064, 583245), (35892, 569790), (37986, 538380), (38883, 525960), (39447, 518440), (39880, 512811), (42120, 485539), (43830, 466596), (44865, 455832), (50648, 403785), (51844, 394470), (52596, 388830), (53838, 379860), (56979, 358920), (58440, 349947), (59820, 341874), (63310, 323028), (64805, 315576), (65745, 311064), (71784, 284895), (75972, 269190), (77766, 262980), (78894, 259220), (80757, 253240), (87660, 233298), (89730, 227916), (94965, 215352), (103688, 197235), (105192, 194415), (107676, 189930), (113958, 179460), (116649, 175320), (119640, 170937), (126620, 161514), (129610, 157788), (131490, 155532), (134595, 151944)]