78678540

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{16189}}^1$

素因数の和:16213

約数の個数: 72

約数和(自身を含む): 247512720

約数和(自身を除く): 168834180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 16189, 32378, 48567, 64756, 80945, 97134, 145701, 161890, 194268, 242835, 291402, 323780, 437103, 485670, 582804, 728505, 874206, 971340, 1311309, 1457010, 1748412, 2185515, 2622618, 2914020, 3933927, 4371030, 5245236, 6556545, 7867854, 8742060, 13113090, 15735708, 19669635, 26226180, 39339270, 78678540]

約数ペア:

[(1, 78678540), (2, 39339270), (3, 26226180), (4, 19669635), (5, 15735708), (6, 13113090), (9, 8742060), (10, 7867854), (12, 6556545), (15, 5245236), (18, 4371030), (20, 3933927), (27, 2914020), (30, 2622618), (36, 2185515), (45, 1748412), (54, 1457010), (60, 1311309), (81, 971340), (90, 874206), (108, 728505), (135, 582804), (162, 485670), (180, 437103), (243, 323780), (270, 291402), (324, 242835), (405, 194268), (486, 161890), (540, 145701), (810, 97134), (972, 80945), (1215, 64756), (1620, 48567), (2430, 32378), (4860, 16189)]