156947840

素因数分解:

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

素因数の和:740

約数の個数: 128

約数和(自身を含む): 437555520

約数和(自身を除く): 280607680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 106, 112, 128, 140, 160, 212, 224, 265, 280, 320, 371, 424, 448, 530, 560, 640, 661, 742, 848, 896, 1060, 1120, 1322, 1484, 1696, 1855, 2120, 2240, 2644, 2968, 3305, 3392, 3710, 4240, 4480, 4627, 5288, 5936, 6610, 6784, 7420, 8480, 9254, 10576, 11872, 13220, 14840, 16960, 18508, 21152, 23135, 23744, 26440, 29680, 33920, 35033, 37016, 42304, 46270, 47488, 52880, 59360, 70066, 74032, 84608, 92540, 105760, 118720, 140132, 148064, 175165, 185080, 211520, 237440, 245231, 280264, 296128, 350330, 370160, 423040, 490462, 560528, 592256, 700660, 740320, 980924, 1121056, 1226155, 1401320, 1480640, 1961848, 2242112, 2452310, 2802640, 2961280, 3923696, 4484224, 4904620, 5605280, 7847392, 9809240, 11210560, 15694784, 19618480, 22421120, 31389568, 39236960, 78473920, 156947840]

約数ペア:

[(1, 156947840), (2, 78473920), (4, 39236960), (5, 31389568), (7, 22421120), (8, 19618480), (10, 15694784), (14, 11210560), (16, 9809240), (20, 7847392), (28, 5605280), (32, 4904620), (35, 4484224), (40, 3923696), (53, 2961280), (56, 2802640), (64, 2452310), (70, 2242112), (80, 1961848), (106, 1480640), (112, 1401320), (128, 1226155), (140, 1121056), (160, 980924), (212, 740320), (224, 700660), (265, 592256), (280, 560528), (320, 490462), (371, 423040), (424, 370160), (448, 350330), (530, 296128), (560, 280264), (640, 245231), (661, 237440), (742, 211520), (848, 185080), (896, 175165), (1060, 148064), (1120, 140132), (1322, 118720), (1484, 105760), (1696, 92540), (1855, 84608), (2120, 74032), (2240, 70066), (2644, 59360), (2968, 52880), (3305, 47488), (3392, 46270), (3710, 42304), (4240, 37016), (4480, 35033), (4627, 33920), (5288, 29680), (5936, 26440), (6610, 23744), (6784, 23135), (7420, 21152), (8480, 18508), (9254, 16960), (10576, 14840), (11872, 13220)]