21555600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:126

約数の個数: 240

約数和(自身を含む): 79709184

約数和(自身を除く): 58153584

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, 71, 75, 80, 88, 92, 100, 110, 115, 120, 132, 138, 142, 150, 165, 176, 184, 200, 213, 220, 230, 240, 253, 264, 275, 276, 284, 300, 330, 345, 355, 368, 400, 426, 440, 460, 506, 528, 550, 552, 568, 575, 600, 660, 690, 710, 759, 781, 825, 852, 880, 920, 1012, 1065, 1100, 1104, 1136, 1150, 1200, 1265, 1320, 1380, 1420, 1518, 1562, 1633, 1650, 1704, 1725, 1775, 1840, 2024, 2130, 2200, 2300, 2343, 2530, 2640, 2760, 2840, 3036, 3124, 3266, 3300, 3408, 3450, 3550, 3795, 3905, 4048, 4260, 4400, 4600, 4686, 4899, 5060, 5325, 5520, 5680, 6072, 6248, 6325, 6532, 6600, 6900, 7100, 7590, 7810, 8165, 8520, 9200, 9372, 9798, 10120, 10650, 11715, 12144, 12496, 12650, 13064, 13200, 13800, 14200, 15180, 15620, 16330, 17040, 17963, 18744, 18975, 19525, 19596, 20240, 21300, 23430, 24495, 25300, 26128, 27600, 28400, 30360, 31240, 32660, 35926, 37488, 37950, 39050, 39192, 40825, 42600, 46860, 48990, 50600, 53889, 58575, 60720, 62480, 65320, 71852, 75900, 78100, 78384, 81650, 85200, 89815, 93720, 97980, 101200, 107778, 117150, 122475, 130640, 143704, 151800, 156200, 163300, 179630, 187440, 195960, 215556, 234300, 244950, 269445, 287408, 303600, 312400, 326600, 359260, 391920, 431112, 449075, 468600, 489900, 538890, 653200, 718520, 862224, 898150, 937200, 979800, 1077780, 1347225, 1437040, 1796300, 1959600, 2155560, 2694450, 3592600, 4311120, 5388900, 7185200, 10777800, 21555600]

約数ペア:

[(1, 21555600), (2, 10777800), (3, 7185200), (4, 5388900), (5, 4311120), (6, 3592600), (8, 2694450), (10, 2155560), (11, 1959600), (12, 1796300), (15, 1437040), (16, 1347225), (20, 1077780), (22, 979800), (23, 937200), (24, 898150), (25, 862224), (30, 718520), (33, 653200), (40, 538890), (44, 489900), (46, 468600), (48, 449075), (50, 431112), (55, 391920), (60, 359260), (66, 326600), (69, 312400), (71, 303600), (75, 287408), (80, 269445), (88, 244950), (92, 234300), (100, 215556), (110, 195960), (115, 187440), (120, 179630), (132, 163300), (138, 156200), (142, 151800), (150, 143704), (165, 130640), (176, 122475), (184, 117150), (200, 107778), (213, 101200), (220, 97980), (230, 93720), (240, 89815), (253, 85200), (264, 81650), (275, 78384), (276, 78100), (284, 75900), (300, 71852), (330, 65320), (345, 62480), (355, 60720), (368, 58575), (400, 53889), (426, 50600), (440, 48990), (460, 46860), (506, 42600), (528, 40825), (550, 39192), (552, 39050), (568, 37950), (575, 37488), (600, 35926), (660, 32660), (690, 31240), (710, 30360), (759, 28400), (781, 27600), (825, 26128), (852, 25300), (880, 24495), (920, 23430), (1012, 21300), (1065, 20240), (1100, 19596), (1104, 19525), (1136, 18975), (1150, 18744), (1200, 17963), (1265, 17040), (1320, 16330), (1380, 15620), (1420, 15180), (1518, 14200), (1562, 13800), (1633, 13200), (1650, 13064), (1704, 12650), (1725, 12496), (1775, 12144), (1840, 11715), (2024, 10650), (2130, 10120), (2200, 9798), (2300, 9372), (2343, 9200), (2530, 8520), (2640, 8165), (2760, 7810), (2840, 7590), (3036, 7100), (3124, 6900), (3266, 6600), (3300, 6532), (3408, 6325), (3450, 6248), (3550, 6072), (3795, 5680), (3905, 5520), (4048, 5325), (4260, 5060), (4400, 4899), (4600, 4686)]