169947680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:491

約数の個数: 144

約数和(自身を含む): 477028440

約数和(自身を除く): 307080760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 53, 56, 70, 80, 98, 106, 112, 140, 160, 196, 212, 224, 245, 265, 280, 371, 392, 409, 424, 490, 530, 560, 742, 784, 818, 848, 980, 1060, 1120, 1484, 1568, 1636, 1696, 1855, 1960, 2045, 2120, 2597, 2863, 2968, 3272, 3710, 3920, 4090, 4240, 5194, 5726, 5936, 6544, 7420, 7840, 8180, 8480, 10388, 11452, 11872, 12985, 13088, 14315, 14840, 16360, 20041, 20776, 21677, 22904, 25970, 28630, 29680, 32720, 40082, 41552, 43354, 45808, 51940, 57260, 59360, 65440, 80164, 83104, 86708, 91616, 100205, 103880, 108385, 114520, 151739, 160328, 173416, 200410, 207760, 216770, 229040, 303478, 320656, 346832, 400820, 415520, 433540, 458080, 606956, 641312, 693664, 758695, 801640, 867080, 1062173, 1213912, 1517390, 1603280, 1734160, 2124346, 2427824, 3034780, 3206560, 3468320, 4248692, 4855648, 5310865, 6069560, 8497384, 10621730, 12139120, 16994768, 21243460, 24278240, 33989536, 42486920, 84973840, 169947680]

約数ペア:

[(1, 169947680), (2, 84973840), (4, 42486920), (5, 33989536), (7, 24278240), (8, 21243460), (10, 16994768), (14, 12139120), (16, 10621730), (20, 8497384), (28, 6069560), (32, 5310865), (35, 4855648), (40, 4248692), (49, 3468320), (53, 3206560), (56, 3034780), (70, 2427824), (80, 2124346), (98, 1734160), (106, 1603280), (112, 1517390), (140, 1213912), (160, 1062173), (196, 867080), (212, 801640), (224, 758695), (245, 693664), (265, 641312), (280, 606956), (371, 458080), (392, 433540), (409, 415520), (424, 400820), (490, 346832), (530, 320656), (560, 303478), (742, 229040), (784, 216770), (818, 207760), (848, 200410), (980, 173416), (1060, 160328), (1120, 151739), (1484, 114520), (1568, 108385), (1636, 103880), (1696, 100205), (1855, 91616), (1960, 86708), (2045, 83104), (2120, 80164), (2597, 65440), (2863, 59360), (2968, 57260), (3272, 51940), (3710, 45808), (3920, 43354), (4090, 41552), (4240, 40082), (5194, 32720), (5726, 29680), (5936, 28630), (6544, 25970), (7420, 22904), (7840, 21677), (8180, 20776), (8480, 20041), (10388, 16360), (11452, 14840), (11872, 14315), (12985, 13088)]