123346720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{15733}}^1$

素因数の和:15762

約数の個数: 72

約数和(自身を含む): 339004764

約数和(自身を除く): 215658044

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 15733, 31466, 62932, 78665, 110131, 125864, 157330, 220262, 251728, 314660, 440524, 503456, 550655, 629320, 770917, 881048, 1101310, 1258640, 1541834, 1762096, 2202620, 2517280, 3083668, 3524192, 3854585, 4405240, 6167336, 7709170, 8810480, 12334672, 15418340, 17620960, 24669344, 30836680, 61673360, 123346720]

約数ペア:

[(1, 123346720), (2, 61673360), (4, 30836680), (5, 24669344), (7, 17620960), (8, 15418340), (10, 12334672), (14, 8810480), (16, 7709170), (20, 6167336), (28, 4405240), (32, 3854585), (35, 3524192), (40, 3083668), (49, 2517280), (56, 2202620), (70, 1762096), (80, 1541834), (98, 1258640), (112, 1101310), (140, 881048), (160, 770917), (196, 629320), (224, 550655), (245, 503456), (280, 440524), (392, 314660), (490, 251728), (560, 220262), (784, 157330), (980, 125864), (1120, 110131), (1568, 78665), (1960, 62932), (3920, 31466), (7840, 15733)]