195679980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2711}}^1$

素因数の和:3127

約数の個数: 72

約数和(自身を含む): 595262304

約数和(自身を除く): 399582324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 401, 802, 1203, 1604, 2005, 2406, 2711, 3609, 4010, 4812, 5422, 6015, 7218, 8020, 8133, 10844, 12030, 13555, 14436, 16266, 18045, 24060, 24399, 27110, 32532, 36090, 40665, 48798, 54220, 72180, 81330, 97596, 121995, 162660, 243990, 487980, 1087111, 2174222, 3261333, 4348444, 5435555, 6522666, 9783999, 10871110, 13045332, 16306665, 19567998, 21742220, 32613330, 39135996, 48919995, 65226660, 97839990, 195679980]

約数ペア:

[(1, 195679980), (2, 97839990), (3, 65226660), (4, 48919995), (5, 39135996), (6, 32613330), (9, 21742220), (10, 19567998), (12, 16306665), (15, 13045332), (18, 10871110), (20, 9783999), (30, 6522666), (36, 5435555), (45, 4348444), (60, 3261333), (90, 2174222), (180, 1087111), (401, 487980), (802, 243990), (1203, 162660), (1604, 121995), (2005, 97596), (2406, 81330), (2711, 72180), (3609, 54220), (4010, 48798), (4812, 40665), (5422, 36090), (6015, 32532), (7218, 27110), (8020, 24399), (8133, 24060), (10844, 18045), (12030, 16266), (13555, 14436)]