66271520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:215

約数の個数: 144

約数和(自身を含む): 186157440

約数和(自身を除く): 119885920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 79, 80, 98, 107, 112, 140, 158, 160, 196, 214, 224, 245, 280, 316, 392, 395, 428, 490, 535, 553, 560, 632, 749, 784, 790, 856, 980, 1070, 1106, 1120, 1264, 1498, 1568, 1580, 1712, 1960, 2140, 2212, 2528, 2765, 2996, 3160, 3424, 3745, 3871, 3920, 4280, 4424, 5243, 5530, 5992, 6320, 7490, 7742, 7840, 8453, 8560, 8848, 10486, 11060, 11984, 12640, 14980, 15484, 16906, 17120, 17696, 19355, 20972, 22120, 23968, 26215, 29960, 30968, 33812, 38710, 41944, 42265, 44240, 52430, 59171, 59920, 61936, 67624, 77420, 83888, 84530, 88480, 104860, 118342, 119840, 123872, 135248, 154840, 167776, 169060, 209720, 236684, 270496, 295855, 309680, 338120, 414197, 419440, 473368, 591710, 619360, 676240, 828394, 838880, 946736, 1183420, 1352480, 1656788, 1893472, 2070985, 2366840, 3313576, 4141970, 4733680, 6627152, 8283940, 9467360, 13254304, 16567880, 33135760, 66271520]

約数ペア:

[(1, 66271520), (2, 33135760), (4, 16567880), (5, 13254304), (7, 9467360), (8, 8283940), (10, 6627152), (14, 4733680), (16, 4141970), (20, 3313576), (28, 2366840), (32, 2070985), (35, 1893472), (40, 1656788), (49, 1352480), (56, 1183420), (70, 946736), (79, 838880), (80, 828394), (98, 676240), (107, 619360), (112, 591710), (140, 473368), (158, 419440), (160, 414197), (196, 338120), (214, 309680), (224, 295855), (245, 270496), (280, 236684), (316, 209720), (392, 169060), (395, 167776), (428, 154840), (490, 135248), (535, 123872), (553, 119840), (560, 118342), (632, 104860), (749, 88480), (784, 84530), (790, 83888), (856, 77420), (980, 67624), (1070, 61936), (1106, 59920), (1120, 59171), (1264, 52430), (1498, 44240), (1568, 42265), (1580, 41944), (1712, 38710), (1960, 33812), (2140, 30968), (2212, 29960), (2528, 26215), (2765, 23968), (2996, 22120), (3160, 20972), (3424, 19355), (3745, 17696), (3871, 17120), (3920, 16906), (4280, 15484), (4424, 14980), (5243, 12640), (5530, 11984), (5992, 11060), (6320, 10486), (7490, 8848), (7742, 8560), (7840, 8453)]