15705025720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{787}}^1\times {\mathrm{9413}}^1$

素因数の和:10264

約数の個数: 64

約数和(自身を含む): 36052607520

約数和(自身を除く): 20347581800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 787, 1060, 1574, 2120, 3148, 3935, 6296, 7870, 9413, 15740, 18826, 31480, 37652, 41711, 47065, 75304, 83422, 94130, 166844, 188260, 208555, 333688, 376520, 417110, 498889, 834220, 997778, 1668440, 1995556, 2494445, 3991112, 4988890, 7408031, 9977780, 14816062, 19955560, 29632124, 37040155, 59264248, 74080310, 148160620, 296321240, 392625643, 785251286, 1570502572, 1963128215, 3141005144, 3926256430, 7852512860, 15705025720]

約数ペア:

[(1, 15705025720), (2, 7852512860), (4, 3926256430), (5, 3141005144), (8, 1963128215), (10, 1570502572), (20, 785251286), (40, 392625643), (53, 296321240), (106, 148160620), (212, 74080310), (265, 59264248), (424, 37040155), (530, 29632124), (787, 19955560), (1060, 14816062), (1574, 9977780), (2120, 7408031), (3148, 4988890), (3935, 3991112), (6296, 2494445), (7870, 1995556), (9413, 1668440), (15740, 997778), (18826, 834220), (31480, 498889), (37652, 417110), (41711, 376520), (47065, 333688), (75304, 208555), (83422, 188260), (94130, 166844)]