1404107820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{210827}}^1$

素因数の和:210879

約数の個数: 72

約数和(自身を含む): 4374259344

約数和(自身を除く): 2970151524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 210827, 421654, 632481, 843308, 1054135, 1264962, 1897443, 2108270, 2529924, 3162405, 3794886, 4216540, 6324810, 7589772, 7800599, 9487215, 12649620, 15601198, 18974430, 23401797, 31202396, 37948860, 39002995, 46803594, 70205391, 78005990, 93607188, 117008985, 140410782, 156011980, 234017970, 280821564, 351026955, 468035940, 702053910, 1404107820]

約数ペア:

[(1, 1404107820), (2, 702053910), (3, 468035940), (4, 351026955), (5, 280821564), (6, 234017970), (9, 156011980), (10, 140410782), (12, 117008985), (15, 93607188), (18, 78005990), (20, 70205391), (30, 46803594), (36, 39002995), (37, 37948860), (45, 31202396), (60, 23401797), (74, 18974430), (90, 15601198), (111, 12649620), (148, 9487215), (180, 7800599), (185, 7589772), (222, 6324810), (333, 4216540), (370, 3794886), (444, 3162405), (555, 2529924), (666, 2108270), (740, 1897443), (1110, 1264962), (1332, 1054135), (1665, 843308), (2220, 632481), (3330, 421654), (6660, 210827)]