89728640

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:242

約数の個数: 128

約数和(自身を含む): 232070400

約数和(自身を除く): 142341760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 64, 76, 80, 94, 95, 128, 152, 157, 160, 188, 190, 235, 304, 314, 320, 376, 380, 470, 608, 628, 640, 752, 760, 785, 893, 940, 1216, 1256, 1504, 1520, 1570, 1786, 1880, 2432, 2512, 2983, 3008, 3040, 3140, 3572, 3760, 4465, 5024, 5966, 6016, 6080, 6280, 7144, 7379, 7520, 8930, 10048, 11932, 12160, 12560, 14288, 14758, 14915, 15040, 17860, 20096, 23864, 25120, 28576, 29516, 29830, 30080, 35720, 36895, 47728, 50240, 57152, 59032, 59660, 71440, 73790, 95456, 100480, 114304, 118064, 119320, 140201, 142880, 147580, 190912, 236128, 238640, 280402, 285760, 295160, 381824, 472256, 477280, 560804, 571520, 590320, 701005, 944512, 954560, 1121608, 1180640, 1402010, 1909120, 2243216, 2361280, 2804020, 4486432, 4722560, 5608040, 8972864, 11216080, 17945728, 22432160, 44864320, 89728640]

約数ペア:

[(1, 89728640), (2, 44864320), (4, 22432160), (5, 17945728), (8, 11216080), (10, 8972864), (16, 5608040), (19, 4722560), (20, 4486432), (32, 2804020), (38, 2361280), (40, 2243216), (47, 1909120), (64, 1402010), (76, 1180640), (80, 1121608), (94, 954560), (95, 944512), (128, 701005), (152, 590320), (157, 571520), (160, 560804), (188, 477280), (190, 472256), (235, 381824), (304, 295160), (314, 285760), (320, 280402), (376, 238640), (380, 236128), (470, 190912), (608, 147580), (628, 142880), (640, 140201), (752, 119320), (760, 118064), (785, 114304), (893, 100480), (940, 95456), (1216, 73790), (1256, 71440), (1504, 59660), (1520, 59032), (1570, 57152), (1786, 50240), (1880, 47728), (2432, 36895), (2512, 35720), (2983, 30080), (3008, 29830), (3040, 29516), (3140, 28576), (3572, 25120), (3760, 23864), (4465, 20096), (5024, 17860), (5966, 15040), (6016, 14915), (6080, 14758), (6280, 14288), (7144, 12560), (7379, 12160), (7520, 11932), (8930, 10048)]