81676320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:559

約数の個数: 192

約数和(自身を含む): 290304000

約数和(自身を除く): 208627680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 32, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 96, 110, 120, 124, 132, 155, 160, 165, 176, 186, 220, 240, 248, 264, 310, 330, 341, 352, 372, 440, 465, 480, 496, 499, 528, 620, 660, 682, 744, 880, 930, 992, 998, 1023, 1056, 1240, 1320, 1364, 1488, 1497, 1705, 1760, 1860, 1996, 2046, 2480, 2495, 2640, 2728, 2976, 2994, 3410, 3720, 3992, 4092, 4960, 4990, 5115, 5280, 5456, 5489, 5988, 6820, 7440, 7485, 7984, 8184, 9980, 10230, 10912, 10978, 11976, 13640, 14880, 14970, 15469, 15968, 16368, 16467, 19960, 20460, 21956, 23952, 27280, 27445, 29940, 30938, 32736, 32934, 39920, 40920, 43912, 46407, 47904, 54560, 54890, 59880, 61876, 65868, 77345, 79840, 81840, 82335, 87824, 92814, 109780, 119760, 123752, 131736, 154690, 163680, 164670, 170159, 175648, 185628, 219560, 232035, 239520, 247504, 263472, 309380, 329340, 340318, 371256, 439120, 464070, 495008, 510477, 526944, 618760, 658680, 680636, 742512, 850795, 878240, 928140, 1020954, 1237520, 1317360, 1361272, 1485024, 1701590, 1856280, 2041908, 2475040, 2552385, 2634720, 2722544, 3403180, 3712560, 4083816, 5104770, 5445088, 6806360, 7425120, 8167632, 10209540, 13612720, 16335264, 20419080, 27225440, 40838160, 81676320]

約数ペア:

[(1, 81676320), (2, 40838160), (3, 27225440), (4, 20419080), (5, 16335264), (6, 13612720), (8, 10209540), (10, 8167632), (11, 7425120), (12, 6806360), (15, 5445088), (16, 5104770), (20, 4083816), (22, 3712560), (24, 3403180), (30, 2722544), (31, 2634720), (32, 2552385), (33, 2475040), (40, 2041908), (44, 1856280), (48, 1701590), (55, 1485024), (60, 1361272), (62, 1317360), (66, 1237520), (80, 1020954), (88, 928140), (93, 878240), (96, 850795), (110, 742512), (120, 680636), (124, 658680), (132, 618760), (155, 526944), (160, 510477), (165, 495008), (176, 464070), (186, 439120), (220, 371256), (240, 340318), (248, 329340), (264, 309380), (310, 263472), (330, 247504), (341, 239520), (352, 232035), (372, 219560), (440, 185628), (465, 175648), (480, 170159), (496, 164670), (499, 163680), (528, 154690), (620, 131736), (660, 123752), (682, 119760), (744, 109780), (880, 92814), (930, 87824), (992, 82335), (998, 81840), (1023, 79840), (1056, 77345), (1240, 65868), (1320, 61876), (1364, 59880), (1488, 54890), (1497, 54560), (1705, 47904), (1760, 46407), (1860, 43912), (1996, 40920), (2046, 39920), (2480, 32934), (2495, 32736), (2640, 30938), (2728, 29940), (2976, 27445), (2994, 27280), (3410, 23952), (3720, 21956), (3992, 20460), (4092, 19960), (4960, 16467), (4990, 16368), (5115, 15968), (5280, 15469), (5456, 14970), (5489, 14880), (5988, 13640), (6820, 11976), (7440, 10978), (7485, 10912), (7984, 10230), (8184, 9980)]