78473920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:738

約数の個数: 112

約数和(自身を含む): 217919808

約数和(自身を除く): 139445888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 106, 112, 140, 160, 212, 224, 265, 280, 320, 371, 424, 448, 530, 560, 661, 742, 848, 1060, 1120, 1322, 1484, 1696, 1855, 2120, 2240, 2644, 2968, 3305, 3392, 3710, 4240, 4627, 5288, 5936, 6610, 7420, 8480, 9254, 10576, 11872, 13220, 14840, 16960, 18508, 21152, 23135, 23744, 26440, 29680, 35033, 37016, 42304, 46270, 52880, 59360, 70066, 74032, 92540, 105760, 118720, 140132, 148064, 175165, 185080, 211520, 245231, 280264, 296128, 350330, 370160, 490462, 560528, 700660, 740320, 980924, 1121056, 1226155, 1401320, 1480640, 1961848, 2242112, 2452310, 2802640, 3923696, 4904620, 5605280, 7847392, 9809240, 11210560, 15694784, 19618480, 39236960, 78473920]

約数ペア:

[(1, 78473920), (2, 39236960), (4, 19618480), (5, 15694784), (7, 11210560), (8, 9809240), (10, 7847392), (14, 5605280), (16, 4904620), (20, 3923696), (28, 2802640), (32, 2452310), (35, 2242112), (40, 1961848), (53, 1480640), (56, 1401320), (64, 1226155), (70, 1121056), (80, 980924), (106, 740320), (112, 700660), (140, 560528), (160, 490462), (212, 370160), (224, 350330), (265, 296128), (280, 280264), (320, 245231), (371, 211520), (424, 185080), (448, 175165), (530, 148064), (560, 140132), (661, 118720), (742, 105760), (848, 92540), (1060, 74032), (1120, 70066), (1322, 59360), (1484, 52880), (1696, 46270), (1855, 42304), (2120, 37016), (2240, 35033), (2644, 29680), (2968, 26440), (3305, 23744), (3392, 23135), (3710, 21152), (4240, 18508), (4627, 16960), (5288, 14840), (5936, 13220), (6610, 11872), (7420, 10576), (8480, 9254)]