18785840000

素因数分解:

$2^7\times 5^4\times {\mathrm{43}}^2\times {\mathrm{127}}^1$

素因数の和:247

約数の個数: 240

約数和(自身を含む): 48256053120

約数和(自身を除く): 29470213120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 64, 80, 86, 100, 125, 127, 128, 160, 172, 200, 215, 250, 254, 320, 344, 400, 430, 500, 508, 625, 635, 640, 688, 800, 860, 1000, 1016, 1075, 1250, 1270, 1376, 1600, 1720, 1849, 2000, 2032, 2150, 2500, 2540, 2752, 3175, 3200, 3440, 3698, 4000, 4064, 4300, 5000, 5080, 5375, 5461, 5504, 6350, 6880, 7396, 8000, 8128, 8600, 9245, 10000, 10160, 10750, 10922, 12700, 13760, 14792, 15875, 16000, 16256, 17200, 18490, 20000, 20320, 21500, 21844, 25400, 26875, 27305, 27520, 29584, 31750, 34400, 36980, 40000, 40640, 43000, 43688, 46225, 50800, 53750, 54610, 59168, 63500, 68800, 73960, 79375, 80000, 81280, 86000, 87376, 92450, 101600, 107500, 109220, 118336, 127000, 136525, 137600, 147920, 158750, 172000, 174752, 184900, 203200, 215000, 218440, 231125, 234823, 236672, 254000, 273050, 295840, 317500, 344000, 349504, 369800, 406400, 430000, 436880, 462250, 469646, 508000, 546100, 591680, 635000, 682625, 688000, 699008, 739600, 860000, 873760, 924500, 939292, 1016000, 1092200, 1155625, 1174115, 1183360, 1270000, 1365250, 1479200, 1720000, 1747520, 1849000, 1878584, 2032000, 2184400, 2311250, 2348230, 2540000, 2730500, 2958400, 3413125, 3440000, 3495040, 3698000, 3757168, 4368800, 4622500, 4696460, 5080000, 5461000, 5870575, 5916800, 6826250, 7396000, 7514336, 8737600, 9245000, 9392920, 10160000, 10922000, 11741150, 13652500, 14792000, 15028672, 17475200, 18490000, 18785840, 21844000, 23482300, 27305000, 29352875, 29584000, 30057344, 36980000, 37571680, 43688000, 46964600, 54610000, 58705750, 73960000, 75143360, 87376000, 93929200, 109220000, 117411500, 146764375, 147920000, 150286720, 187858400, 218440000, 234823000, 293528750, 375716800, 436880000, 469646000, 587057500, 751433600, 939292000, 1174115000, 1878584000, 2348230000, 3757168000, 4696460000, 9392920000, 18785840000]

約数ペア:

[(1, 18785840000), (2, 9392920000), (4, 4696460000), (5, 3757168000), (8, 2348230000), (10, 1878584000), (16, 1174115000), (20, 939292000), (25, 751433600), (32, 587057500), (40, 469646000), (43, 436880000), (50, 375716800), (64, 293528750), (80, 234823000), (86, 218440000), (100, 187858400), (125, 150286720), (127, 147920000), (128, 146764375), (160, 117411500), (172, 109220000), (200, 93929200), (215, 87376000), (250, 75143360), (254, 73960000), (320, 58705750), (344, 54610000), (400, 46964600), (430, 43688000), (500, 37571680), (508, 36980000), (625, 30057344), (635, 29584000), (640, 29352875), (688, 27305000), (800, 23482300), (860, 21844000), (1000, 18785840), (1016, 18490000), (1075, 17475200), (1250, 15028672), (1270, 14792000), (1376, 13652500), (1600, 11741150), (1720, 10922000), (1849, 10160000), (2000, 9392920), (2032, 9245000), (2150, 8737600), (2500, 7514336), (2540, 7396000), (2752, 6826250), (3175, 5916800), (3200, 5870575), (3440, 5461000), (3698, 5080000), (4000, 4696460), (4064, 4622500), (4300, 4368800), (5000, 3757168), (5080, 3698000), (5375, 3495040), (5461, 3440000), (5504, 3413125), (6350, 2958400), (6880, 2730500), (7396, 2540000), (8000, 2348230), (8128, 2311250), (8600, 2184400), (9245, 2032000), (10000, 1878584), (10160, 1849000), (10750, 1747520), (10922, 1720000), (12700, 1479200), (13760, 1365250), (14792, 1270000), (15875, 1183360), (16000, 1174115), (16256, 1155625), (17200, 1092200), (18490, 1016000), (20000, 939292), (20320, 924500), (21500, 873760), (21844, 860000), (25400, 739600), (26875, 699008), (27305, 688000), (27520, 682625), (29584, 635000), (31750, 591680), (34400, 546100), (36980, 508000), (40000, 469646), (40640, 462250), (43000, 436880), (43688, 430000), (46225, 406400), (50800, 369800), (53750, 349504), (54610, 344000), (59168, 317500), (63500, 295840), (68800, 273050), (73960, 254000), (79375, 236672), (80000, 234823), (81280, 231125), (86000, 218440), (87376, 215000), (92450, 203200), (101600, 184900), (107500, 174752), (109220, 172000), (118336, 158750), (127000, 147920), (136525, 137600)]