19801650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{1091}}^1$

素因数の和:1128

約数の個数: 72

約数和(自身を含む): 54027792

約数和(自身を除く): 34226142

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 121, 150, 165, 242, 275, 330, 363, 550, 605, 726, 825, 1091, 1210, 1650, 1815, 2182, 3025, 3273, 3630, 5455, 6050, 6546, 9075, 10910, 12001, 16365, 18150, 24002, 27275, 32730, 36003, 54550, 60005, 72006, 81825, 120010, 132011, 163650, 180015, 264022, 300025, 360030, 396033, 600050, 660055, 792066, 900075, 1320110, 1800150, 1980165, 3300275, 3960330, 6600550, 9900825, 19801650]

約数ペア:

[(1, 19801650), (2, 9900825), (3, 6600550), (5, 3960330), (6, 3300275), (10, 1980165), (11, 1800150), (15, 1320110), (22, 900075), (25, 792066), (30, 660055), (33, 600050), (50, 396033), (55, 360030), (66, 300025), (75, 264022), (110, 180015), (121, 163650), (150, 132011), (165, 120010), (242, 81825), (275, 72006), (330, 60005), (363, 54550), (550, 36003), (605, 32730), (726, 27275), (825, 24002), (1091, 18150), (1210, 16365), (1650, 12001), (1815, 10910), (2182, 9075), (3025, 6546), (3273, 6050), (3630, 5455)]