21489739920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{45989}}^1$

素因数の和:46078

約数の個数: 240

約数和(自身を含む): 80066750400

約数和(自身を除く): 58577010480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 59, 60, 66, 72, 80, 88, 90, 99, 110, 118, 120, 132, 144, 165, 176, 177, 180, 198, 220, 236, 240, 264, 295, 330, 354, 360, 396, 440, 472, 495, 528, 531, 590, 649, 660, 708, 720, 792, 880, 885, 944, 990, 1062, 1180, 1298, 1320, 1416, 1584, 1770, 1947, 1980, 2124, 2360, 2596, 2640, 2655, 2832, 3245, 3540, 3894, 3960, 4248, 4720, 5192, 5310, 5841, 6490, 7080, 7788, 7920, 8496, 9735, 10384, 10620, 11682, 12980, 14160, 15576, 19470, 21240, 23364, 25960, 29205, 31152, 38940, 42480, 45989, 46728, 51920, 58410, 77880, 91978, 93456, 116820, 137967, 155760, 183956, 229945, 233640, 275934, 367912, 413901, 459890, 467280, 505879, 551868, 689835, 735824, 827802, 919780, 1011758, 1103736, 1379670, 1517637, 1655604, 1839560, 2023516, 2069505, 2207472, 2529395, 2713351, 2759340, 3035274, 3311208, 3679120, 4047032, 4139010, 4552911, 5058790, 5426702, 5518680, 6070548, 6622416, 7588185, 8094064, 8140053, 8278020, 9105822, 10117580, 10853404, 11037360, 12141096, 13566755, 15176370, 16280106, 16556040, 18211644, 20235160, 21706808, 22764555, 24282192, 24420159, 27133510, 29846861, 30352740, 32560212, 33112080, 36423288, 40470320, 40700265, 43413616, 45529110, 48840318, 54267020, 59693722, 60705480, 65120424, 72846576, 81400530, 89540583, 91058220, 97680636, 108534040, 119387444, 121410960, 122100795, 130240848, 149234305, 162801060, 179081166, 182116440, 195361272, 217068080, 238774888, 244201590, 268621749, 298468610, 325602120, 358162332, 364232880, 390722544, 447702915, 477549776, 488403180, 537243498, 596937220, 651204240, 716324664, 895405830, 976806360, 1074486996, 1193874440, 1343108745, 1432649328, 1790811660, 1953612720, 2148973992, 2387748880, 2686217490, 3581623320, 4297947984, 5372434980, 7163246640, 10744869960, 21489739920]

約数ペア:

[(1, 21489739920), (2, 10744869960), (3, 7163246640), (4, 5372434980), (5, 4297947984), (6, 3581623320), (8, 2686217490), (9, 2387748880), (10, 2148973992), (11, 1953612720), (12, 1790811660), (15, 1432649328), (16, 1343108745), (18, 1193874440), (20, 1074486996), (22, 976806360), (24, 895405830), (30, 716324664), (33, 651204240), (36, 596937220), (40, 537243498), (44, 488403180), (45, 477549776), (48, 447702915), (55, 390722544), (59, 364232880), (60, 358162332), (66, 325602120), (72, 298468610), (80, 268621749), (88, 244201590), (90, 238774888), (99, 217068080), (110, 195361272), (118, 182116440), (120, 179081166), (132, 162801060), (144, 149234305), (165, 130240848), (176, 122100795), (177, 121410960), (180, 119387444), (198, 108534040), (220, 97680636), (236, 91058220), (240, 89540583), (264, 81400530), (295, 72846576), (330, 65120424), (354, 60705480), (360, 59693722), (396, 54267020), (440, 48840318), (472, 45529110), (495, 43413616), (528, 40700265), (531, 40470320), (590, 36423288), (649, 33112080), (660, 32560212), (708, 30352740), (720, 29846861), (792, 27133510), (880, 24420159), (885, 24282192), (944, 22764555), (990, 21706808), (1062, 20235160), (1180, 18211644), (1298, 16556040), (1320, 16280106), (1416, 15176370), (1584, 13566755), (1770, 12141096), (1947, 11037360), (1980, 10853404), (2124, 10117580), (2360, 9105822), (2596, 8278020), (2640, 8140053), (2655, 8094064), (2832, 7588185), (3245, 6622416), (3540, 6070548), (3894, 5518680), (3960, 5426702), (4248, 5058790), (4720, 4552911), (5192, 4139010), (5310, 4047032), (5841, 3679120), (6490, 3311208), (7080, 3035274), (7788, 2759340), (7920, 2713351), (8496, 2529395), (9735, 2207472), (10384, 2069505), (10620, 2023516), (11682, 1839560), (12980, 1655604), (14160, 1517637), (15576, 1379670), (19470, 1103736), (21240, 1011758), (23364, 919780), (25960, 827802), (29205, 735824), (31152, 689835), (38940, 551868), (42480, 505879), (45989, 467280), (46728, 459890), (51920, 413901), (58410, 367912), (77880, 275934), (91978, 233640), (93456, 229945), (116820, 183956), (137967, 155760)]