1879723980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2089}}^1\times {\mathrm{4999}}^1$

素因数の和:7103

約数の個数: 72

約数和(自身を含む): 5705700000

約数和(自身を除く): 3825976020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2089, 4178, 4999, 6267, 8356, 9998, 10445, 12534, 14997, 18801, 19996, 20890, 24995, 25068, 29994, 31335, 37602, 41780, 44991, 49990, 59988, 62670, 74985, 75204, 89982, 94005, 99980, 125340, 149970, 179964, 188010, 224955, 299940, 376020, 449910, 899820, 10442911, 20885822, 31328733, 41771644, 52214555, 62657466, 93986199, 104429110, 125314932, 156643665, 187972398, 208858220, 313287330, 375944796, 469930995, 626574660, 939861990, 1879723980]

約数ペア:

[(1, 1879723980), (2, 939861990), (3, 626574660), (4, 469930995), (5, 375944796), (6, 313287330), (9, 208858220), (10, 187972398), (12, 156643665), (15, 125314932), (18, 104429110), (20, 93986199), (30, 62657466), (36, 52214555), (45, 41771644), (60, 31328733), (90, 20885822), (180, 10442911), (2089, 899820), (4178, 449910), (4999, 376020), (6267, 299940), (8356, 224955), (9998, 188010), (10445, 179964), (12534, 149970), (14997, 125340), (18801, 99980), (19996, 94005), (20890, 89982), (24995, 75204), (25068, 74985), (29994, 62670), (31335, 59988), (37602, 49990), (41780, 44991)]