140669820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3967}}^1$

素因数の和:4179

約数の個数: 72

約数和(自身を含む): 428972544

約数和(自身を除く): 288302724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 2364, 2955, 3546, 3940, 3967, 5910, 7092, 7934, 8865, 11820, 11901, 15868, 17730, 19835, 23802, 35460, 35703, 39670, 47604, 59505, 71406, 79340, 119010, 142812, 178515, 238020, 357030, 714060, 781499, 1562998, 2344497, 3125996, 3907495, 4688994, 7033491, 7814990, 9377988, 11722485, 14066982, 15629980, 23444970, 28133964, 35167455, 46889940, 70334910, 140669820]

約数ペア:

[(1, 140669820), (2, 70334910), (3, 46889940), (4, 35167455), (5, 28133964), (6, 23444970), (9, 15629980), (10, 14066982), (12, 11722485), (15, 9377988), (18, 7814990), (20, 7033491), (30, 4688994), (36, 3907495), (45, 3125996), (60, 2344497), (90, 1562998), (180, 781499), (197, 714060), (394, 357030), (591, 238020), (788, 178515), (985, 142812), (1182, 119010), (1773, 79340), (1970, 71406), (2364, 59505), (2955, 47604), (3546, 39670), (3940, 35703), (3967, 35460), (5910, 23802), (7092, 19835), (7934, 17730), (8865, 15868), (11820, 11901)]