78834420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 288

約数和(自身を含む): 298771200

約数和(自身を除く): 219936780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 37, 38, 42, 45, 57, 60, 63, 70, 74, 76, 84, 89, 90, 95, 105, 111, 114, 126, 133, 140, 148, 171, 178, 180, 185, 190, 210, 222, 228, 252, 259, 266, 267, 285, 315, 333, 342, 356, 370, 380, 399, 420, 444, 445, 518, 532, 534, 555, 570, 623, 630, 665, 666, 684, 703, 740, 777, 798, 801, 855, 890, 1036, 1068, 1110, 1140, 1197, 1246, 1260, 1295, 1330, 1332, 1335, 1406, 1554, 1596, 1602, 1665, 1691, 1710, 1780, 1869, 1995, 2109, 2220, 2331, 2394, 2492, 2590, 2660, 2670, 2812, 3108, 3115, 3204, 3293, 3330, 3382, 3420, 3515, 3738, 3885, 3990, 4005, 4218, 4662, 4788, 4921, 5073, 5180, 5340, 5607, 5985, 6230, 6327, 6586, 6660, 6764, 7030, 7476, 7770, 7980, 8010, 8436, 8455, 9324, 9345, 9842, 9879, 10146, 10545, 11214, 11655, 11837, 11970, 12460, 12654, 13172, 14060, 14763, 15219, 15540, 16020, 16465, 16910, 18690, 19684, 19758, 20292, 21090, 22428, 23051, 23310, 23674, 23940, 24605, 25308, 25365, 28035, 29526, 29637, 30438, 31635, 32930, 33820, 35511, 37380, 39516, 42180, 44289, 46102, 46620, 47348, 49210, 49395, 50730, 56070, 59052, 59185, 59274, 60876, 62567, 63270, 65860, 69153, 71022, 73815, 76095, 88578, 92204, 98420, 98790, 101460, 106533, 112140, 115255, 118370, 118548, 125134, 126540, 138306, 142044, 147630, 148185, 152190, 177156, 177555, 187701, 197580, 207459, 213066, 221445, 230510, 236740, 250268, 276612, 295260, 296370, 304380, 312835, 345765, 355110, 375402, 414918, 426132, 437969, 442890, 461020, 532665, 563103, 592740, 625670, 691530, 710220, 750804, 829836, 875938, 885780, 938505, 1037295, 1065330, 1126206, 1251340, 1313907, 1383060, 1751876, 1877010, 2074590, 2130660, 2189845, 2252412, 2627814, 2815515, 3754020, 3941721, 4149180, 4379690, 5255628, 5631030, 6569535, 7883442, 8759380, 11262060, 13139070, 15766884, 19708605, 26278140, 39417210, 78834420]

約数ペア:

[(1, 78834420), (2, 39417210), (3, 26278140), (4, 19708605), (5, 15766884), (6, 13139070), (7, 11262060), (9, 8759380), (10, 7883442), (12, 6569535), (14, 5631030), (15, 5255628), (18, 4379690), (19, 4149180), (20, 3941721), (21, 3754020), (28, 2815515), (30, 2627814), (35, 2252412), (36, 2189845), (37, 2130660), (38, 2074590), (42, 1877010), (45, 1751876), (57, 1383060), (60, 1313907), (63, 1251340), (70, 1126206), (74, 1065330), (76, 1037295), (84, 938505), (89, 885780), (90, 875938), (95, 829836), (105, 750804), (111, 710220), (114, 691530), (126, 625670), (133, 592740), (140, 563103), (148, 532665), (171, 461020), (178, 442890), (180, 437969), (185, 426132), (190, 414918), (210, 375402), (222, 355110), (228, 345765), (252, 312835), (259, 304380), (266, 296370), (267, 295260), (285, 276612), (315, 250268), (333, 236740), (342, 230510), (356, 221445), (370, 213066), (380, 207459), (399, 197580), (420, 187701), (444, 177555), (445, 177156), (518, 152190), (532, 148185), (534, 147630), (555, 142044), (570, 138306), (623, 126540), (630, 125134), (665, 118548), (666, 118370), (684, 115255), (703, 112140), (740, 106533), (777, 101460), (798, 98790), (801, 98420), (855, 92204), (890, 88578), (1036, 76095), (1068, 73815), (1110, 71022), (1140, 69153), (1197, 65860), (1246, 63270), (1260, 62567), (1295, 60876), (1330, 59274), (1332, 59185), (1335, 59052), (1406, 56070), (1554, 50730), (1596, 49395), (1602, 49210), (1665, 47348), (1691, 46620), (1710, 46102), (1780, 44289), (1869, 42180), (1995, 39516), (2109, 37380), (2220, 35511), (2331, 33820), (2394, 32930), (2492, 31635), (2590, 30438), (2660, 29637), (2670, 29526), (2812, 28035), (3108, 25365), (3115, 25308), (3204, 24605), (3293, 23940), (3330, 23674), (3382, 23310), (3420, 23051), (3515, 22428), (3738, 21090), (3885, 20292), (3990, 19758), (4005, 19684), (4218, 18690), (4662, 16910), (4788, 16465), (4921, 16020), (5073, 15540), (5180, 15219), (5340, 14763), (5607, 14060), (5985, 13172), (6230, 12654), (6327, 12460), (6586, 11970), (6660, 11837), (6764, 11655), (7030, 11214), (7476, 10545), (7770, 10146), (7980, 9879), (8010, 9842), (8436, 9345), (8455, 9324)]