81099480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:230

約数の個数: 256

約数和(自身を含む): 310210560

約数和(自身を除く): 229111080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 67, 70, 77, 84, 88, 105, 110, 120, 131, 132, 134, 140, 154, 165, 168, 201, 210, 220, 231, 262, 264, 268, 280, 308, 330, 335, 385, 393, 402, 420, 440, 462, 469, 524, 536, 616, 655, 660, 670, 737, 770, 786, 804, 840, 917, 924, 938, 1005, 1048, 1155, 1310, 1320, 1340, 1407, 1441, 1474, 1540, 1572, 1608, 1834, 1848, 1876, 1965, 2010, 2211, 2310, 2345, 2620, 2680, 2751, 2814, 2882, 2948, 3080, 3144, 3668, 3685, 3752, 3930, 4020, 4323, 4422, 4585, 4620, 4690, 5159, 5240, 5502, 5628, 5764, 5896, 7035, 7205, 7336, 7370, 7860, 8040, 8646, 8777, 8844, 9170, 9240, 9380, 10087, 10318, 11004, 11055, 11256, 11528, 13755, 14070, 14410, 14740, 15477, 15720, 17292, 17554, 17688, 18340, 18760, 20174, 20636, 21615, 22008, 22110, 25795, 26331, 27510, 28140, 28820, 29480, 30261, 30954, 34584, 35108, 36680, 40348, 41272, 43230, 43885, 44220, 50435, 51590, 52662, 55020, 56280, 57640, 60522, 61439, 61908, 70216, 77385, 80696, 86460, 87770, 88440, 96547, 100870, 103180, 105324, 110040, 121044, 122878, 123816, 131655, 151305, 154770, 172920, 175540, 184317, 193094, 201740, 206360, 210648, 242088, 245756, 263310, 289641, 302610, 307195, 309540, 351080, 368634, 386188, 403480, 482735, 491512, 526620, 579282, 605220, 614390, 619080, 675829, 737268, 772376, 921585, 965470, 1053240, 1158564, 1210440, 1228780, 1351658, 1448205, 1474536, 1843170, 1930940, 2027487, 2317128, 2457560, 2703316, 2896410, 3379145, 3686340, 3861880, 4054974, 5406632, 5792820, 6758290, 7372680, 8109948, 10137435, 11585640, 13516580, 16219896, 20274870, 27033160, 40549740, 81099480]

約数ペア:

[(1, 81099480), (2, 40549740), (3, 27033160), (4, 20274870), (5, 16219896), (6, 13516580), (7, 11585640), (8, 10137435), (10, 8109948), (11, 7372680), (12, 6758290), (14, 5792820), (15, 5406632), (20, 4054974), (21, 3861880), (22, 3686340), (24, 3379145), (28, 2896410), (30, 2703316), (33, 2457560), (35, 2317128), (40, 2027487), (42, 1930940), (44, 1843170), (55, 1474536), (56, 1448205), (60, 1351658), (66, 1228780), (67, 1210440), (70, 1158564), (77, 1053240), (84, 965470), (88, 921585), (105, 772376), (110, 737268), (120, 675829), (131, 619080), (132, 614390), (134, 605220), (140, 579282), (154, 526620), (165, 491512), (168, 482735), (201, 403480), (210, 386188), (220, 368634), (231, 351080), (262, 309540), (264, 307195), (268, 302610), (280, 289641), (308, 263310), (330, 245756), (335, 242088), (385, 210648), (393, 206360), (402, 201740), (420, 193094), (440, 184317), (462, 175540), (469, 172920), (524, 154770), (536, 151305), (616, 131655), (655, 123816), (660, 122878), (670, 121044), (737, 110040), (770, 105324), (786, 103180), (804, 100870), (840, 96547), (917, 88440), (924, 87770), (938, 86460), (1005, 80696), (1048, 77385), (1155, 70216), (1310, 61908), (1320, 61439), (1340, 60522), (1407, 57640), (1441, 56280), (1474, 55020), (1540, 52662), (1572, 51590), (1608, 50435), (1834, 44220), (1848, 43885), (1876, 43230), (1965, 41272), (2010, 40348), (2211, 36680), (2310, 35108), (2345, 34584), (2620, 30954), (2680, 30261), (2751, 29480), (2814, 28820), (2882, 28140), (2948, 27510), (3080, 26331), (3144, 25795), (3668, 22110), (3685, 22008), (3752, 21615), (3930, 20636), (4020, 20174), (4323, 18760), (4422, 18340), (4585, 17688), (4620, 17554), (4690, 17292), (5159, 15720), (5240, 15477), (5502, 14740), (5628, 14410), (5764, 14070), (5896, 13755), (7035, 11528), (7205, 11256), (7336, 11055), (7370, 11004), (7860, 10318), (8040, 10087), (8646, 9380), (8777, 9240), (8844, 9170)]