51190020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{40627}}^1$

素因数の和:40649

約数の個数: 72

約数和(自身を含む): 177463104

約数和(自身を除く): 126273084

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 40627, 81254, 121881, 162508, 203135, 243762, 284389, 365643, 406270, 487524, 568778, 609405, 731286, 812540, 853167, 1137556, 1218810, 1421945, 1462572, 1706334, 1828215, 2437620, 2559501, 2843890, 3412668, 3656430, 4265835, 5119002, 5687780, 7312860, 8531670, 10238004, 12797505, 17063340, 25595010, 51190020]

約数ペア:

[(1, 51190020), (2, 25595010), (3, 17063340), (4, 12797505), (5, 10238004), (6, 8531670), (7, 7312860), (9, 5687780), (10, 5119002), (12, 4265835), (14, 3656430), (15, 3412668), (18, 2843890), (20, 2559501), (21, 2437620), (28, 1828215), (30, 1706334), (35, 1462572), (36, 1421945), (42, 1218810), (45, 1137556), (60, 853167), (63, 812540), (70, 731286), (84, 609405), (90, 568778), (105, 487524), (126, 406270), (140, 365643), (180, 284389), (210, 243762), (252, 203135), (315, 162508), (420, 121881), (630, 81254), (1260, 40627)]