15660052700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{12739}}^1$

素因数の和:13419

約数の個数: 72

約数和(自身を含む): 35828956800

約数和(自身を除く): 20168904100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 647, 950, 1294, 1900, 2588, 3235, 6470, 12293, 12739, 12940, 16175, 24586, 25478, 32350, 49172, 50956, 61465, 63695, 64700, 122930, 127390, 242041, 245860, 254780, 307325, 318475, 484082, 614650, 636950, 968164, 1210205, 1229300, 1273900, 2420410, 4840820, 6051025, 8242133, 12102050, 16484266, 24204100, 32968532, 41210665, 82421330, 156600527, 164842660, 206053325, 313201054, 412106650, 626402108, 783002635, 824213300, 1566005270, 3132010540, 3915013175, 7830026350, 15660052700]

約数ペア:

[(1, 15660052700), (2, 7830026350), (4, 3915013175), (5, 3132010540), (10, 1566005270), (19, 824213300), (20, 783002635), (25, 626402108), (38, 412106650), (50, 313201054), (76, 206053325), (95, 164842660), (100, 156600527), (190, 82421330), (380, 41210665), (475, 32968532), (647, 24204100), (950, 16484266), (1294, 12102050), (1900, 8242133), (2588, 6051025), (3235, 4840820), (6470, 2420410), (12293, 1273900), (12739, 1229300), (12940, 1210205), (16175, 968164), (24586, 636950), (25478, 614650), (32350, 484082), (49172, 318475), (50956, 307325), (61465, 254780), (63695, 245860), (64700, 242041), (122930, 127390)]