259972020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18757}}^1$

素因数の和:18790

約数の個数: 144

約数和(自身を含む): 983219328

約数和(自身を除く): 723247308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2310, 2772, 3465, 4620, 6930, 13860, 18757, 37514, 56271, 75028, 93785, 112542, 131299, 168813, 187570, 206327, 225084, 262598, 281355, 337626, 375140, 393897, 412654, 525196, 562710, 618981, 656495, 675252, 787794, 825308, 844065, 1031635, 1125420, 1181691, 1237962, 1312990, 1444289, 1575588, 1688130, 1856943, 1969485, 2063270, 2363382, 2475924, 2625980, 2888578, 3094905, 3376260, 3713886, 3938970, 4126540, 4332867, 4726764, 5777156, 5908455, 6189810, 7221445, 7427772, 7877940, 8665734, 9284715, 11816910, 12379620, 12998601, 14442890, 17331468, 18569430, 21664335, 23633820, 25997202, 28885780, 37138860, 43328670, 51994404, 64993005, 86657340, 129986010, 259972020]

約数ペア:

[(1, 259972020), (2, 129986010), (3, 86657340), (4, 64993005), (5, 51994404), (6, 43328670), (7, 37138860), (9, 28885780), (10, 25997202), (11, 23633820), (12, 21664335), (14, 18569430), (15, 17331468), (18, 14442890), (20, 12998601), (21, 12379620), (22, 11816910), (28, 9284715), (30, 8665734), (33, 7877940), (35, 7427772), (36, 7221445), (42, 6189810), (44, 5908455), (45, 5777156), (55, 4726764), (60, 4332867), (63, 4126540), (66, 3938970), (70, 3713886), (77, 3376260), (84, 3094905), (90, 2888578), (99, 2625980), (105, 2475924), (110, 2363382), (126, 2063270), (132, 1969485), (140, 1856943), (154, 1688130), (165, 1575588), (180, 1444289), (198, 1312990), (210, 1237962), (220, 1181691), (231, 1125420), (252, 1031635), (308, 844065), (315, 825308), (330, 787794), (385, 675252), (396, 656495), (420, 618981), (462, 562710), (495, 525196), (630, 412654), (660, 393897), (693, 375140), (770, 337626), (924, 281355), (990, 262598), (1155, 225084), (1260, 206327), (1386, 187570), (1540, 168813), (1980, 131299), (2310, 112542), (2772, 93785), (3465, 75028), (4620, 56271), (6930, 37514), (13860, 18757)]