66828780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{123757}}^1$

素因数の和:123775

約数の個数: 48

約数和(自身を含む): 207913440

約数和(自身を除く): 141084660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 123757, 247514, 371271, 495028, 618785, 742542, 1113813, 1237570, 1485084, 1856355, 2227626, 2475140, 3341439, 3712710, 4455252, 5569065, 6682878, 7425420, 11138130, 13365756, 16707195, 22276260, 33414390, 66828780]

約数ペア:

[(1, 66828780), (2, 33414390), (3, 22276260), (4, 16707195), (5, 13365756), (6, 11138130), (9, 7425420), (10, 6682878), (12, 5569065), (15, 4455252), (18, 3712710), (20, 3341439), (27, 2475140), (30, 2227626), (36, 1856355), (45, 1485084), (54, 1237570), (60, 1113813), (90, 742542), (108, 618785), (135, 495028), (180, 371271), (270, 247514), (540, 123757)]