205930920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1307}}^1$

素因数の和:1435

約数の個数: 128

約数和(自身を含む): 672416640

約数和(自身を除く): 466485720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 101, 104, 120, 130, 156, 195, 202, 260, 303, 312, 390, 404, 505, 520, 606, 780, 808, 1010, 1212, 1307, 1313, 1515, 1560, 2020, 2424, 2614, 2626, 3030, 3921, 3939, 4040, 5228, 5252, 6060, 6535, 6565, 7842, 7878, 10456, 10504, 12120, 13070, 13130, 15684, 15756, 16991, 19605, 19695, 26140, 26260, 31368, 31512, 33982, 39210, 39390, 50973, 52280, 52520, 67964, 78420, 78780, 84955, 101946, 132007, 135928, 156840, 157560, 169910, 203892, 254865, 264014, 339820, 396021, 407784, 509730, 528028, 660035, 679640, 792042, 1019460, 1056056, 1320070, 1584084, 1716091, 1980105, 2038920, 2640140, 3168168, 3432182, 3960210, 5148273, 5280280, 6864364, 7920420, 8580455, 10296546, 13728728, 15840840, 17160910, 20593092, 25741365, 34321820, 41186184, 51482730, 68643640, 102965460, 205930920]

約数ペア:

[(1, 205930920), (2, 102965460), (3, 68643640), (4, 51482730), (5, 41186184), (6, 34321820), (8, 25741365), (10, 20593092), (12, 17160910), (13, 15840840), (15, 13728728), (20, 10296546), (24, 8580455), (26, 7920420), (30, 6864364), (39, 5280280), (40, 5148273), (52, 3960210), (60, 3432182), (65, 3168168), (78, 2640140), (101, 2038920), (104, 1980105), (120, 1716091), (130, 1584084), (156, 1320070), (195, 1056056), (202, 1019460), (260, 792042), (303, 679640), (312, 660035), (390, 528028), (404, 509730), (505, 407784), (520, 396021), (606, 339820), (780, 264014), (808, 254865), (1010, 203892), (1212, 169910), (1307, 157560), (1313, 156840), (1515, 135928), (1560, 132007), (2020, 101946), (2424, 84955), (2614, 78780), (2626, 78420), (3030, 67964), (3921, 52520), (3939, 52280), (4040, 50973), (5228, 39390), (5252, 39210), (6060, 33982), (6535, 31512), (6565, 31368), (7842, 26260), (7878, 26140), (10456, 19695), (10504, 19605), (12120, 16991), (13070, 15756), (13130, 15684)]