121278520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 318816000

約数和(自身を除く): 197537480

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 89, 95, 110, 152, 163, 178, 190, 209, 220, 326, 356, 380, 418, 440, 445, 652, 712, 760, 815, 836, 890, 979, 1045, 1304, 1630, 1672, 1691, 1780, 1793, 1958, 2090, 3097, 3260, 3382, 3560, 3586, 3916, 4180, 4895, 6194, 6520, 6764, 7172, 7832, 8360, 8455, 8965, 9790, 12388, 13528, 14344, 14507, 15485, 16910, 17930, 18601, 19580, 24776, 29014, 30970, 33820, 34067, 35860, 37202, 39160, 58028, 61940, 67640, 68134, 71720, 72535, 74404, 93005, 116056, 123880, 136268, 145070, 148808, 159577, 170335, 186010, 272536, 275633, 290140, 319154, 340670, 372020, 551266, 580280, 638308, 681340, 744040, 797885, 1102532, 1276616, 1362680, 1378165, 1595770, 2205064, 2756330, 3031963, 3191540, 5512660, 6063926, 6383080, 11025320, 12127852, 15159815, 24255704, 30319630, 60639260, 121278520]

約数ペア:

[(1, 121278520), (2, 60639260), (4, 30319630), (5, 24255704), (8, 15159815), (10, 12127852), (11, 11025320), (19, 6383080), (20, 6063926), (22, 5512660), (38, 3191540), (40, 3031963), (44, 2756330), (55, 2205064), (76, 1595770), (88, 1378165), (89, 1362680), (95, 1276616), (110, 1102532), (152, 797885), (163, 744040), (178, 681340), (190, 638308), (209, 580280), (220, 551266), (326, 372020), (356, 340670), (380, 319154), (418, 290140), (440, 275633), (445, 272536), (652, 186010), (712, 170335), (760, 159577), (815, 148808), (836, 145070), (890, 136268), (979, 123880), (1045, 116056), (1304, 93005), (1630, 74404), (1672, 72535), (1691, 71720), (1780, 68134), (1793, 67640), (1958, 61940), (2090, 58028), (3097, 39160), (3260, 37202), (3382, 35860), (3560, 34067), (3586, 33820), (3916, 30970), (4180, 29014), (4895, 24776), (6194, 19580), (6520, 18601), (6764, 17930), (7172, 16910), (7832, 15485), (8360, 14507), (8455, 14344), (8965, 13528), (9790, 12388)]