1972989540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{17881}}^1$

素因数の和:18509

約数の個数: 72

約数和(自身を含む): 5994833208

約数和(自身を除く): 4021843668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 613, 1226, 1839, 2452, 3065, 3678, 5517, 6130, 7356, 9195, 11034, 12260, 17881, 18390, 22068, 27585, 35762, 36780, 53643, 55170, 71524, 89405, 107286, 110340, 160929, 178810, 214572, 268215, 321858, 357620, 536430, 643716, 804645, 1072860, 1609290, 3218580, 10961053, 21922106, 32883159, 43844212, 54805265, 65766318, 98649477, 109610530, 131532636, 164415795, 197298954, 219221060, 328831590, 394597908, 493247385, 657663180, 986494770, 1972989540]

約数ペア:

[(1, 1972989540), (2, 986494770), (3, 657663180), (4, 493247385), (5, 394597908), (6, 328831590), (9, 219221060), (10, 197298954), (12, 164415795), (15, 131532636), (18, 109610530), (20, 98649477), (30, 65766318), (36, 54805265), (45, 43844212), (60, 32883159), (90, 21922106), (180, 10961053), (613, 3218580), (1226, 1609290), (1839, 1072860), (2452, 804645), (3065, 643716), (3678, 536430), (5517, 357620), (6130, 321858), (7356, 268215), (9195, 214572), (11034, 178810), (12260, 160929), (17881, 110340), (18390, 107286), (22068, 89405), (27585, 71524), (35762, 55170), (36780, 53643)]