2020575760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:430

約数の個数: 240

約数和(自身を含む): 5799378816

約数和(自身を除く): 3778803056

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 73, 80, 92, 98, 112, 115, 140, 146, 161, 184, 196, 230, 245, 280, 292, 307, 322, 365, 368, 392, 460, 490, 511, 560, 584, 614, 644, 730, 784, 805, 920, 980, 1022, 1127, 1168, 1228, 1288, 1460, 1535, 1610, 1679, 1840, 1960, 2044, 2149, 2254, 2456, 2555, 2576, 2920, 3070, 3220, 3358, 3577, 3920, 4088, 4298, 4508, 4912, 5110, 5635, 5840, 6140, 6440, 6716, 7061, 7154, 8176, 8395, 8596, 9016, 10220, 10745, 11270, 11753, 12280, 12880, 13432, 14122, 14308, 15043, 16790, 17192, 17885, 18032, 20440, 21490, 22411, 22540, 23506, 24560, 26864, 28244, 28616, 30086, 33580, 34384, 35305, 35770, 40880, 42980, 44822, 45080, 47012, 49427, 56488, 57232, 58765, 60172, 67160, 70610, 71540, 75215, 82271, 85960, 89644, 90160, 94024, 98854, 112055, 112976, 117530, 120344, 134320, 141220, 143080, 150430, 156877, 164542, 171920, 179288, 188048, 197708, 224110, 235060, 240688, 247135, 282440, 286160, 300860, 313754, 329084, 345989, 358576, 395416, 411355, 448220, 470120, 494270, 515453, 564880, 601720, 627508, 658168, 691978, 784385, 790832, 822710, 896440, 940240, 988540, 1030906, 1098139, 1203440, 1255016, 1316336, 1383956, 1568770, 1645420, 1729945, 1792880, 1977080, 2061812, 2196278, 2510032, 2577265, 2767912, 3137540, 3290840, 3459890, 3608171, 3954160, 4123624, 4392556, 5154530, 5490695, 5535824, 6275080, 6581680, 6919780, 7216342, 8247248, 8785112, 10309060, 10981390, 12550160, 13839560, 14432684, 17570224, 18040855, 20618120, 21962780, 25257197, 27679120, 28865368, 36081710, 41236240, 43925560, 50514394, 57730736, 72163420, 87851120, 101028788, 126285985, 144326840, 202057576, 252571970, 288653680, 404115152, 505143940, 1010287880, 2020575760]

約数ペア:

[(1, 2020575760), (2, 1010287880), (4, 505143940), (5, 404115152), (7, 288653680), (8, 252571970), (10, 202057576), (14, 144326840), (16, 126285985), (20, 101028788), (23, 87851120), (28, 72163420), (35, 57730736), (40, 50514394), (46, 43925560), (49, 41236240), (56, 36081710), (70, 28865368), (73, 27679120), (80, 25257197), (92, 21962780), (98, 20618120), (112, 18040855), (115, 17570224), (140, 14432684), (146, 13839560), (161, 12550160), (184, 10981390), (196, 10309060), (230, 8785112), (245, 8247248), (280, 7216342), (292, 6919780), (307, 6581680), (322, 6275080), (365, 5535824), (368, 5490695), (392, 5154530), (460, 4392556), (490, 4123624), (511, 3954160), (560, 3608171), (584, 3459890), (614, 3290840), (644, 3137540), (730, 2767912), (784, 2577265), (805, 2510032), (920, 2196278), (980, 2061812), (1022, 1977080), (1127, 1792880), (1168, 1729945), (1228, 1645420), (1288, 1568770), (1460, 1383956), (1535, 1316336), (1610, 1255016), (1679, 1203440), (1840, 1098139), (1960, 1030906), (2044, 988540), (2149, 940240), (2254, 896440), (2456, 822710), (2555, 790832), (2576, 784385), (2920, 691978), (3070, 658168), (3220, 627508), (3358, 601720), (3577, 564880), (3920, 515453), (4088, 494270), (4298, 470120), (4508, 448220), (4912, 411355), (5110, 395416), (5635, 358576), (5840, 345989), (6140, 329084), (6440, 313754), (6716, 300860), (7061, 286160), (7154, 282440), (8176, 247135), (8395, 240688), (8596, 235060), (9016, 224110), (10220, 197708), (10745, 188048), (11270, 179288), (11753, 171920), (12280, 164542), (12880, 156877), (13432, 150430), (14122, 143080), (14308, 141220), (15043, 134320), (16790, 120344), (17192, 117530), (17885, 112976), (18032, 112055), (20440, 98854), (21490, 94024), (22411, 90160), (22540, 89644), (23506, 85960), (24560, 82271), (26864, 75215), (28244, 71540), (28616, 70610), (30086, 67160), (33580, 60172), (34384, 58765), (35305, 57232), (35770, 56488), (40880, 49427), (42980, 47012), (44822, 45080)]