172721640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15817}}^1$

素因数の和:15851

約数の個数: 128

約数和(自身を含む): 637781760

約数和(自身を除く): 465060120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 15817, 31634, 47451, 63268, 79085, 94902, 110719, 126536, 158170, 189804, 205621, 221438, 237255, 316340, 332157, 379608, 411242, 442876, 474510, 553595, 616863, 632680, 664314, 822484, 885752, 949020, 1028105, 1107190, 1233726, 1328628, 1439347, 1644968, 1660785, 1898040, 2056210, 2214380, 2467452, 2657256, 2878694, 3084315, 3321570, 4112420, 4318041, 4428760, 4934904, 5757388, 6168630, 6643140, 7196735, 8224840, 8636082, 11514776, 12337260, 13286280, 14393470, 17272164, 21590205, 24674520, 28786940, 34544328, 43180410, 57573880, 86360820, 172721640]

約数ペア:

[(1, 172721640), (2, 86360820), (3, 57573880), (4, 43180410), (5, 34544328), (6, 28786940), (7, 24674520), (8, 21590205), (10, 17272164), (12, 14393470), (13, 13286280), (14, 12337260), (15, 11514776), (20, 8636082), (21, 8224840), (24, 7196735), (26, 6643140), (28, 6168630), (30, 5757388), (35, 4934904), (39, 4428760), (40, 4318041), (42, 4112420), (52, 3321570), (56, 3084315), (60, 2878694), (65, 2657256), (70, 2467452), (78, 2214380), (84, 2056210), (91, 1898040), (104, 1660785), (105, 1644968), (120, 1439347), (130, 1328628), (140, 1233726), (156, 1107190), (168, 1028105), (182, 949020), (195, 885752), (210, 822484), (260, 664314), (273, 632680), (280, 616863), (312, 553595), (364, 474510), (390, 442876), (420, 411242), (455, 379608), (520, 332157), (546, 316340), (728, 237255), (780, 221438), (840, 205621), (910, 189804), (1092, 158170), (1365, 126536), (1560, 110719), (1820, 94902), (2184, 79085), (2730, 63268), (3640, 47451), (5460, 31634), (10920, 15817)]