127257920

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:340

約数の個数: 112

約数和(自身を含む): 325069200

約数和(自身を除く): 197811280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 149, 157, 160, 170, 272, 298, 314, 320, 340, 544, 596, 628, 680, 745, 785, 1088, 1192, 1256, 1360, 1490, 1570, 2384, 2512, 2533, 2669, 2720, 2980, 3140, 4768, 5024, 5066, 5338, 5440, 5960, 6280, 9536, 10048, 10132, 10676, 11920, 12560, 12665, 13345, 20264, 21352, 23393, 23840, 25120, 25330, 26690, 40528, 42704, 46786, 47680, 50240, 50660, 53380, 81056, 85408, 93572, 101320, 106760, 116965, 162112, 170816, 187144, 202640, 213520, 233930, 374288, 397681, 405280, 427040, 467860, 748576, 795362, 810560, 854080, 935720, 1497152, 1590724, 1871440, 1988405, 3181448, 3742880, 3976810, 6362896, 7485760, 7953620, 12725792, 15907240, 25451584, 31814480, 63628960, 127257920]

約数ペア:

[(1, 127257920), (2, 63628960), (4, 31814480), (5, 25451584), (8, 15907240), (10, 12725792), (16, 7953620), (17, 7485760), (20, 6362896), (32, 3976810), (34, 3742880), (40, 3181448), (64, 1988405), (68, 1871440), (80, 1590724), (85, 1497152), (136, 935720), (149, 854080), (157, 810560), (160, 795362), (170, 748576), (272, 467860), (298, 427040), (314, 405280), (320, 397681), (340, 374288), (544, 233930), (596, 213520), (628, 202640), (680, 187144), (745, 170816), (785, 162112), (1088, 116965), (1192, 106760), (1256, 101320), (1360, 93572), (1490, 85408), (1570, 81056), (2384, 53380), (2512, 50660), (2533, 50240), (2669, 47680), (2720, 46786), (2980, 42704), (3140, 40528), (4768, 26690), (5024, 25330), (5066, 25120), (5338, 23840), (5440, 23393), (5960, 21352), (6280, 20264), (9536, 13345), (10048, 12665), (10132, 12560), (10676, 11920)]