81668400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:324

約数の個数: 240

約数和(自身を含む): 298909440

約数和(自身を除く): 217241040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 25, 30, 33, 40, 44, 46, 48, 50, 55, 60, 66, 69, 75, 80, 88, 92, 100, 110, 115, 120, 132, 138, 150, 165, 176, 184, 200, 220, 230, 240, 253, 264, 269, 275, 276, 300, 330, 345, 368, 400, 440, 460, 506, 528, 538, 550, 552, 575, 600, 660, 690, 759, 807, 825, 880, 920, 1012, 1076, 1100, 1104, 1150, 1200, 1265, 1320, 1345, 1380, 1518, 1614, 1650, 1725, 1840, 2024, 2152, 2200, 2300, 2530, 2640, 2690, 2760, 2959, 3036, 3228, 3300, 3450, 3795, 4035, 4048, 4304, 4400, 4600, 5060, 5380, 5520, 5918, 6072, 6187, 6325, 6456, 6600, 6725, 6900, 7590, 8070, 8877, 9200, 10120, 10760, 11836, 12144, 12374, 12650, 12912, 13200, 13450, 13800, 14795, 15180, 16140, 17754, 18561, 18975, 20175, 20240, 21520, 23672, 24748, 25300, 26900, 27600, 29590, 30360, 30935, 32280, 35508, 37122, 37950, 40350, 44385, 47344, 49496, 50600, 53800, 59180, 60720, 61870, 64560, 68057, 71016, 73975, 74244, 75900, 80700, 88770, 92805, 98992, 101200, 107600, 118360, 123740, 136114, 142032, 147950, 148488, 151800, 154675, 161400, 177540, 185610, 204171, 221925, 236720, 247480, 272228, 295900, 296976, 303600, 309350, 322800, 340285, 355080, 371220, 408342, 443850, 464025, 494960, 544456, 591800, 618700, 680570, 710160, 742440, 816684, 887700, 928050, 1020855, 1088912, 1183600, 1237400, 1361140, 1484880, 1633368, 1701425, 1775400, 1856100, 2041710, 2474800, 2722280, 3266736, 3402850, 3550800, 3712200, 4083420, 5104275, 5444560, 6805700, 7424400, 8166840, 10208550, 13611400, 16333680, 20417100, 27222800, 40834200, 81668400]

約数ペア:

[(1, 81668400), (2, 40834200), (3, 27222800), (4, 20417100), (5, 16333680), (6, 13611400), (8, 10208550), (10, 8166840), (11, 7424400), (12, 6805700), (15, 5444560), (16, 5104275), (20, 4083420), (22, 3712200), (23, 3550800), (24, 3402850), (25, 3266736), (30, 2722280), (33, 2474800), (40, 2041710), (44, 1856100), (46, 1775400), (48, 1701425), (50, 1633368), (55, 1484880), (60, 1361140), (66, 1237400), (69, 1183600), (75, 1088912), (80, 1020855), (88, 928050), (92, 887700), (100, 816684), (110, 742440), (115, 710160), (120, 680570), (132, 618700), (138, 591800), (150, 544456), (165, 494960), (176, 464025), (184, 443850), (200, 408342), (220, 371220), (230, 355080), (240, 340285), (253, 322800), (264, 309350), (269, 303600), (275, 296976), (276, 295900), (300, 272228), (330, 247480), (345, 236720), (368, 221925), (400, 204171), (440, 185610), (460, 177540), (506, 161400), (528, 154675), (538, 151800), (550, 148488), (552, 147950), (575, 142032), (600, 136114), (660, 123740), (690, 118360), (759, 107600), (807, 101200), (825, 98992), (880, 92805), (920, 88770), (1012, 80700), (1076, 75900), (1100, 74244), (1104, 73975), (1150, 71016), (1200, 68057), (1265, 64560), (1320, 61870), (1345, 60720), (1380, 59180), (1518, 53800), (1614, 50600), (1650, 49496), (1725, 47344), (1840, 44385), (2024, 40350), (2152, 37950), (2200, 37122), (2300, 35508), (2530, 32280), (2640, 30935), (2690, 30360), (2760, 29590), (2959, 27600), (3036, 26900), (3228, 25300), (3300, 24748), (3450, 23672), (3795, 21520), (4035, 20240), (4048, 20175), (4304, 18975), (4400, 18561), (4600, 17754), (5060, 16140), (5380, 15180), (5520, 14795), (5918, 13800), (6072, 13450), (6187, 13200), (6325, 12912), (6456, 12650), (6600, 12374), (6725, 12144), (6900, 11836), (7590, 10760), (8070, 10120), (8877, 9200)]