20321796780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{1129}}^1$

素因数の和:1462

約数の個数: 240

約数和(自身を含む): 65604147840

約数和(自身を除く): 45282351060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 41, 45, 54, 60, 81, 82, 90, 108, 123, 135, 162, 164, 180, 205, 246, 270, 271, 324, 369, 405, 410, 492, 540, 542, 615, 738, 810, 813, 820, 1084, 1107, 1129, 1230, 1355, 1476, 1620, 1626, 1845, 2214, 2258, 2439, 2460, 2710, 3252, 3321, 3387, 3690, 4065, 4428, 4516, 4878, 5420, 5535, 5645, 6642, 6774, 7317, 7380, 8130, 9756, 10161, 11070, 11111, 11290, 12195, 13284, 13548, 14634, 16260, 16605, 16935, 20322, 21951, 22140, 22222, 22580, 24390, 29268, 30483, 33210, 33333, 33870, 36585, 40644, 43902, 44444, 46289, 48780, 50805, 55555, 60966, 66420, 66666, 67740, 73170, 87804, 91449, 92578, 99999, 101610, 109755, 111110, 121932, 133332, 138867, 146340, 152415, 166665, 182898, 185156, 199998, 203220, 219510, 222220, 231445, 277734, 299997, 304830, 305959, 333330, 365796, 399996, 416601, 439020, 457245, 462890, 499995, 555468, 599994, 609660, 611918, 666660, 694335, 833202, 899991, 914490, 917877, 925780, 999990, 1199988, 1223836, 1249803, 1388670, 1499985, 1529795, 1666404, 1799982, 1828980, 1835754, 1999980, 2083005, 2499606, 2753631, 2777340, 2999970, 3059590, 3599964, 3671508, 3749409, 4166010, 4499955, 4589385, 4999212, 5507262, 5999940, 6119180, 6249015, 7498818, 8260893, 8332020, 8999910, 9178770, 11014524, 12498030, 12544319, 13768155, 14997636, 16521786, 17999820, 18357540, 18747045, 24782679, 24996060, 25088638, 27536310, 33043572, 37494090, 37632957, 41304465, 49565358, 50177276, 55072620, 62721595, 74988180, 75265914, 82608930, 99130716, 112898871, 123913395, 125443190, 150531828, 165217860, 188164785, 225797742, 247826790, 250886380, 338696613, 376329570, 451595484, 495653580, 564494355, 677393226, 752659140, 1016089839, 1128988710, 1354786452, 1693483065, 2032179678, 2257977420, 3386966130, 4064359356, 5080449195, 6773932260, 10160898390, 20321796780]

約数ペア:

[(1, 20321796780), (2, 10160898390), (3, 6773932260), (4, 5080449195), (5, 4064359356), (6, 3386966130), (9, 2257977420), (10, 2032179678), (12, 1693483065), (15, 1354786452), (18, 1128988710), (20, 1016089839), (27, 752659140), (30, 677393226), (36, 564494355), (41, 495653580), (45, 451595484), (54, 376329570), (60, 338696613), (81, 250886380), (82, 247826790), (90, 225797742), (108, 188164785), (123, 165217860), (135, 150531828), (162, 125443190), (164, 123913395), (180, 112898871), (205, 99130716), (246, 82608930), (270, 75265914), (271, 74988180), (324, 62721595), (369, 55072620), (405, 50177276), (410, 49565358), (492, 41304465), (540, 37632957), (542, 37494090), (615, 33043572), (738, 27536310), (810, 25088638), (813, 24996060), (820, 24782679), (1084, 18747045), (1107, 18357540), (1129, 17999820), (1230, 16521786), (1355, 14997636), (1476, 13768155), (1620, 12544319), (1626, 12498030), (1845, 11014524), (2214, 9178770), (2258, 8999910), (2439, 8332020), (2460, 8260893), (2710, 7498818), (3252, 6249015), (3321, 6119180), (3387, 5999940), (3690, 5507262), (4065, 4999212), (4428, 4589385), (4516, 4499955), (4878, 4166010), (5420, 3749409), (5535, 3671508), (5645, 3599964), (6642, 3059590), (6774, 2999970), (7317, 2777340), (7380, 2753631), (8130, 2499606), (9756, 2083005), (10161, 1999980), (11070, 1835754), (11111, 1828980), (11290, 1799982), (12195, 1666404), (13284, 1529795), (13548, 1499985), (14634, 1388670), (16260, 1249803), (16605, 1223836), (16935, 1199988), (20322, 999990), (21951, 925780), (22140, 917877), (22222, 914490), (22580, 899991), (24390, 833202), (29268, 694335), (30483, 666660), (33210, 611918), (33333, 609660), (33870, 599994), (36585, 555468), (40644, 499995), (43902, 462890), (44444, 457245), (46289, 439020), (48780, 416601), (50805, 399996), (55555, 365796), (60966, 333330), (66420, 305959), (66666, 304830), (67740, 299997), (73170, 277734), (87804, 231445), (91449, 222220), (92578, 219510), (99999, 203220), (101610, 199998), (109755, 185156), (111110, 182898), (121932, 166665), (133332, 152415), (138867, 146340)]