123171720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{443}}^1$

素因数の和:795

約数の個数: 128

約数和(自身を含む): 424535040

約数和(自身を除く): 301363320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 331, 420, 443, 662, 840, 886, 993, 1324, 1329, 1655, 1772, 1986, 2215, 2317, 2648, 2658, 3101, 3310, 3544, 3972, 4430, 4634, 4965, 5316, 6202, 6620, 6645, 6951, 7944, 8860, 9268, 9303, 9930, 10632, 11585, 12404, 13240, 13290, 13902, 15505, 17720, 18536, 18606, 19860, 23170, 24808, 26580, 27804, 31010, 34755, 37212, 39720, 46340, 46515, 53160, 55608, 62020, 69510, 74424, 92680, 93030, 124040, 139020, 146633, 186060, 278040, 293266, 372120, 439899, 586532, 733165, 879798, 1026431, 1173064, 1466330, 1759596, 2052862, 2199495, 2932660, 3079293, 3519192, 4105724, 4398990, 5132155, 5865320, 6158586, 8211448, 8797980, 10264310, 12317172, 15396465, 17595960, 20528620, 24634344, 30792930, 41057240, 61585860, 123171720]

約数ペア:

[(1, 123171720), (2, 61585860), (3, 41057240), (4, 30792930), (5, 24634344), (6, 20528620), (7, 17595960), (8, 15396465), (10, 12317172), (12, 10264310), (14, 8797980), (15, 8211448), (20, 6158586), (21, 5865320), (24, 5132155), (28, 4398990), (30, 4105724), (35, 3519192), (40, 3079293), (42, 2932660), (56, 2199495), (60, 2052862), (70, 1759596), (84, 1466330), (105, 1173064), (120, 1026431), (140, 879798), (168, 733165), (210, 586532), (280, 439899), (331, 372120), (420, 293266), (443, 278040), (662, 186060), (840, 146633), (886, 139020), (993, 124040), (1324, 93030), (1329, 92680), (1655, 74424), (1772, 69510), (1986, 62020), (2215, 55608), (2317, 53160), (2648, 46515), (2658, 46340), (3101, 39720), (3310, 37212), (3544, 34755), (3972, 31010), (4430, 27804), (4634, 26580), (4965, 24808), (5316, 23170), (6202, 19860), (6620, 18606), (6645, 18536), (6951, 17720), (7944, 15505), (8860, 13902), (9268, 13290), (9303, 13240), (9930, 12404), (10632, 11585)]