20861494080

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{8191}}^1$

素因数の和:8597

約数の個数: 224

約数和(自身を含む): 75906416640

約数和(自身を除く): 55044922560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 379, 420, 448, 480, 560, 672, 758, 840, 960, 1120, 1137, 1344, 1516, 1680, 1895, 2240, 2274, 2653, 3032, 3360, 3790, 4548, 5306, 5685, 6064, 6720, 7580, 7959, 8191, 9096, 10612, 11370, 12128, 13265, 15160, 15918, 16382, 18192, 21224, 22740, 24256, 24573, 26530, 30320, 31836, 32764, 36384, 39795, 40955, 42448, 45480, 49146, 53060, 57337, 60640, 63672, 65528, 72768, 79590, 81910, 84896, 90960, 98292, 106120, 114674, 121280, 122865, 127344, 131056, 159180, 163820, 169792, 172011, 181920, 196584, 212240, 229348, 245730, 254688, 262112, 286685, 318360, 327640, 344022, 363840, 393168, 424480, 458696, 491460, 509376, 524224, 573370, 636720, 655280, 688044, 786336, 848960, 860055, 917392, 982920, 1146740, 1273440, 1310560, 1376088, 1572672, 1720110, 1834784, 1965840, 2293480, 2546880, 2621120, 2752176, 3104389, 3440220, 3669568, 3931680, 4586960, 5504352, 6208778, 6880440, 7863360, 9173920, 9313167, 11008704, 12417556, 13760880, 15521945, 18347840, 18626334, 21730723, 24835112, 27521760, 31043890, 37252668, 43461446, 46565835, 49670224, 55043520, 62087780, 65192169, 74505336, 86922892, 93131670, 99340448, 108653615, 124175560, 130384338, 149010672, 173845784, 186263340, 198680896, 217307230, 248351120, 260768676, 298021344, 325960845, 347691568, 372526680, 434614460, 496702240, 521537352, 596042688, 651921690, 695383136, 745053360, 869228920, 993404480, 1043074704, 1303843380, 1390766272, 1490106720, 1738457840, 2086149408, 2607686760, 2980213440, 3476915680, 4172298816, 5215373520, 6953831360, 10430747040, 20861494080]

約数ペア:

[(1, 20861494080), (2, 10430747040), (3, 6953831360), (4, 5215373520), (5, 4172298816), (6, 3476915680), (7, 2980213440), (8, 2607686760), (10, 2086149408), (12, 1738457840), (14, 1490106720), (15, 1390766272), (16, 1303843380), (20, 1043074704), (21, 993404480), (24, 869228920), (28, 745053360), (30, 695383136), (32, 651921690), (35, 596042688), (40, 521537352), (42, 496702240), (48, 434614460), (56, 372526680), (60, 347691568), (64, 325960845), (70, 298021344), (80, 260768676), (84, 248351120), (96, 217307230), (105, 198680896), (112, 186263340), (120, 173845784), (140, 149010672), (160, 130384338), (168, 124175560), (192, 108653615), (210, 99340448), (224, 93131670), (240, 86922892), (280, 74505336), (320, 65192169), (336, 62087780), (379, 55043520), (420, 49670224), (448, 46565835), (480, 43461446), (560, 37252668), (672, 31043890), (758, 27521760), (840, 24835112), (960, 21730723), (1120, 18626334), (1137, 18347840), (1344, 15521945), (1516, 13760880), (1680, 12417556), (1895, 11008704), (2240, 9313167), (2274, 9173920), (2653, 7863360), (3032, 6880440), (3360, 6208778), (3790, 5504352), (4548, 4586960), (5306, 3931680), (5685, 3669568), (6064, 3440220), (6720, 3104389), (7580, 2752176), (7959, 2621120), (8191, 2546880), (9096, 2293480), (10612, 1965840), (11370, 1834784), (12128, 1720110), (13265, 1572672), (15160, 1376088), (15918, 1310560), (16382, 1273440), (18192, 1146740), (21224, 982920), (22740, 917392), (24256, 860055), (24573, 848960), (26530, 786336), (30320, 688044), (31836, 655280), (32764, 636720), (36384, 573370), (39795, 524224), (40955, 509376), (42448, 491460), (45480, 458696), (49146, 424480), (53060, 393168), (57337, 363840), (60640, 344022), (63672, 327640), (65528, 318360), (72768, 286685), (79590, 262112), (81910, 254688), (84896, 245730), (90960, 229348), (98292, 212240), (106120, 196584), (114674, 181920), (121280, 172011), (122865, 169792), (127344, 163820), (131056, 159180)]