1972980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 6099912

約数和(自身を除く): 4126932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 113, 180, 194, 226, 291, 339, 388, 452, 485, 565, 582, 678, 873, 970, 1017, 1130, 1164, 1356, 1455, 1695, 1746, 1940, 2034, 2260, 2910, 3390, 3492, 4068, 4365, 5085, 5820, 6780, 8730, 10170, 10961, 17460, 20340, 21922, 32883, 43844, 54805, 65766, 98649, 109610, 131532, 164415, 197298, 219220, 328830, 394596, 493245, 657660, 986490, 1972980]

約数ペア:

[(1, 1972980), (2, 986490), (3, 657660), (4, 493245), (5, 394596), (6, 328830), (9, 219220), (10, 197298), (12, 164415), (15, 131532), (18, 109610), (20, 98649), (30, 65766), (36, 54805), (45, 43844), (60, 32883), (90, 21922), (97, 20340), (113, 17460), (180, 10961), (194, 10170), (226, 8730), (291, 6780), (339, 5820), (388, 5085), (452, 4365), (485, 4068), (565, 3492), (582, 3390), (678, 2910), (873, 2260), (970, 2034), (1017, 1940), (1130, 1746), (1164, 1695), (1356, 1455)]