161764480

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:342

約数の個数: 128

約数和(自身を含む): 416404800

約数和(自身を除く): 254640320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 53, 64, 76, 80, 95, 106, 128, 152, 160, 190, 212, 251, 265, 304, 320, 380, 424, 502, 530, 608, 640, 760, 848, 1004, 1007, 1060, 1216, 1255, 1520, 1696, 2008, 2014, 2120, 2432, 2510, 3040, 3392, 4016, 4028, 4240, 4769, 5020, 5035, 6080, 6784, 8032, 8056, 8480, 9538, 10040, 10070, 12160, 13303, 16064, 16112, 16960, 19076, 20080, 20140, 23845, 26606, 32128, 32224, 33920, 38152, 40160, 40280, 47690, 53212, 64448, 66515, 76304, 80320, 80560, 95380, 106424, 128896, 133030, 152608, 160640, 161120, 190760, 212848, 252757, 266060, 305216, 322240, 381520, 425696, 505514, 532120, 610432, 644480, 763040, 851392, 1011028, 1064240, 1263785, 1526080, 1702784, 2022056, 2128480, 2527570, 3052160, 4044112, 4256960, 5055140, 8088224, 8513920, 10110280, 16176448, 20220560, 32352896, 40441120, 80882240, 161764480]

約数ペア:

[(1, 161764480), (2, 80882240), (4, 40441120), (5, 32352896), (8, 20220560), (10, 16176448), (16, 10110280), (19, 8513920), (20, 8088224), (32, 5055140), (38, 4256960), (40, 4044112), (53, 3052160), (64, 2527570), (76, 2128480), (80, 2022056), (95, 1702784), (106, 1526080), (128, 1263785), (152, 1064240), (160, 1011028), (190, 851392), (212, 763040), (251, 644480), (265, 610432), (304, 532120), (320, 505514), (380, 425696), (424, 381520), (502, 322240), (530, 305216), (608, 266060), (640, 252757), (760, 212848), (848, 190760), (1004, 161120), (1007, 160640), (1060, 152608), (1216, 133030), (1255, 128896), (1520, 106424), (1696, 95380), (2008, 80560), (2014, 80320), (2120, 76304), (2432, 66515), (2510, 64448), (3040, 53212), (3392, 47690), (4016, 40280), (4028, 40160), (4240, 38152), (4769, 33920), (5020, 32224), (5035, 32128), (6080, 26606), (6784, 23845), (8032, 20140), (8056, 20080), (8480, 19076), (9538, 16960), (10040, 16112), (10070, 16064), (12160, 13303)]