1897806720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:373

約数の個数: 256

約数和(自身を含む): 6273146880

約数和(自身を除く): 4375340160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 127, 128, 129, 160, 172, 181, 192, 215, 240, 254, 258, 320, 344, 362, 381, 384, 430, 480, 508, 516, 543, 635, 640, 645, 688, 724, 762, 860, 905, 960, 1016, 1032, 1086, 1270, 1290, 1376, 1448, 1524, 1720, 1810, 1905, 1920, 2032, 2064, 2172, 2540, 2580, 2715, 2752, 2896, 3048, 3440, 3620, 3810, 4064, 4128, 4344, 5080, 5160, 5430, 5461, 5504, 5792, 6096, 6880, 7240, 7620, 7783, 8128, 8256, 8688, 10160, 10320, 10860, 10922, 11584, 12192, 13760, 14480, 15240, 15566, 16256, 16383, 16512, 17376, 20320, 20640, 21720, 21844, 22987, 23168, 23349, 24384, 27305, 27520, 28960, 30480, 31132, 32766, 34752, 38915, 40640, 41280, 43440, 43688, 45974, 46698, 48768, 54610, 57920, 60960, 62264, 65532, 68961, 69504, 77830, 81280, 81915, 82560, 86880, 87376, 91948, 93396, 109220, 114935, 115840, 116745, 121920, 124528, 131064, 137922, 155660, 163830, 173760, 174752, 183896, 186792, 218440, 229870, 233490, 243840, 249056, 262128, 275844, 311320, 327660, 344805, 347520, 349504, 367792, 373584, 436880, 459740, 466980, 498112, 524256, 551688, 622640, 655320, 689610, 699008, 735584, 747168, 873760, 919480, 933960, 988441, 996224, 1048512, 1103376, 1245280, 1310640, 1379220, 1471168, 1494336, 1747520, 1838960, 1867920, 1976882, 2097024, 2206752, 2490560, 2621280, 2758440, 2942336, 2965323, 2988672, 3495040, 3677920, 3735840, 3953764, 4413504, 4942205, 4981120, 5242560, 5516880, 5930646, 7355840, 7471680, 7907528, 8827008, 9884410, 10485120, 11033760, 11861292, 14711680, 14826615, 14943360, 15815056, 19768820, 22067520, 23722584, 29653230, 31630112, 39537640, 44135040, 47445168, 59306460, 63260224, 79075280, 94890336, 118612920, 126520448, 158150560, 189780672, 237225840, 316301120, 379561344, 474451680, 632602240, 948903360, 1897806720]

約数ペア:

[(1, 1897806720), (2, 948903360), (3, 632602240), (4, 474451680), (5, 379561344), (6, 316301120), (8, 237225840), (10, 189780672), (12, 158150560), (15, 126520448), (16, 118612920), (20, 94890336), (24, 79075280), (30, 63260224), (32, 59306460), (40, 47445168), (43, 44135040), (48, 39537640), (60, 31630112), (64, 29653230), (80, 23722584), (86, 22067520), (96, 19768820), (120, 15815056), (127, 14943360), (128, 14826615), (129, 14711680), (160, 11861292), (172, 11033760), (181, 10485120), (192, 9884410), (215, 8827008), (240, 7907528), (254, 7471680), (258, 7355840), (320, 5930646), (344, 5516880), (362, 5242560), (381, 4981120), (384, 4942205), (430, 4413504), (480, 3953764), (508, 3735840), (516, 3677920), (543, 3495040), (635, 2988672), (640, 2965323), (645, 2942336), (688, 2758440), (724, 2621280), (762, 2490560), (860, 2206752), (905, 2097024), (960, 1976882), (1016, 1867920), (1032, 1838960), (1086, 1747520), (1270, 1494336), (1290, 1471168), (1376, 1379220), (1448, 1310640), (1524, 1245280), (1720, 1103376), (1810, 1048512), (1905, 996224), (1920, 988441), (2032, 933960), (2064, 919480), (2172, 873760), (2540, 747168), (2580, 735584), (2715, 699008), (2752, 689610), (2896, 655320), (3048, 622640), (3440, 551688), (3620, 524256), (3810, 498112), (4064, 466980), (4128, 459740), (4344, 436880), (5080, 373584), (5160, 367792), (5430, 349504), (5461, 347520), (5504, 344805), (5792, 327660), (6096, 311320), (6880, 275844), (7240, 262128), (7620, 249056), (7783, 243840), (8128, 233490), (8256, 229870), (8688, 218440), (10160, 186792), (10320, 183896), (10860, 174752), (10922, 173760), (11584, 163830), (12192, 155660), (13760, 137922), (14480, 131064), (15240, 124528), (15566, 121920), (16256, 116745), (16383, 115840), (16512, 114935), (17376, 109220), (20320, 93396), (20640, 91948), (21720, 87376), (21844, 86880), (22987, 82560), (23168, 81915), (23349, 81280), (24384, 77830), (27305, 69504), (27520, 68961), (28960, 65532), (30480, 62264), (31132, 60960), (32766, 57920), (34752, 54610), (38915, 48768), (40640, 46698), (41280, 45974), (43440, 43688)]