78772860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:808

約数の個数: 144

約数和(自身を含む): 259983360

約数和(自身を除く): 181210500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 155, 171, 180, 186, 190, 228, 279, 285, 310, 342, 372, 380, 465, 558, 570, 589, 620, 684, 743, 855, 930, 1116, 1140, 1178, 1395, 1486, 1710, 1767, 1860, 2229, 2356, 2790, 2945, 2972, 3420, 3534, 3715, 4458, 5301, 5580, 5890, 6687, 7068, 7430, 8835, 8916, 10602, 11145, 11780, 13374, 14117, 14860, 17670, 21204, 22290, 23033, 26505, 26748, 28234, 33435, 35340, 42351, 44580, 46066, 53010, 56468, 66870, 69099, 70585, 84702, 92132, 106020, 115165, 127053, 133740, 138198, 141170, 169404, 207297, 211755, 230330, 254106, 276396, 282340, 345495, 414594, 423510, 437627, 460660, 508212, 635265, 690990, 829188, 847020, 875254, 1036485, 1270530, 1312881, 1381980, 1750508, 2072970, 2188135, 2541060, 2625762, 3938643, 4145940, 4376270, 5251524, 6564405, 7877286, 8752540, 13128810, 15754572, 19693215, 26257620, 39386430, 78772860]

約数ペア:

[(1, 78772860), (2, 39386430), (3, 26257620), (4, 19693215), (5, 15754572), (6, 13128810), (9, 8752540), (10, 7877286), (12, 6564405), (15, 5251524), (18, 4376270), (19, 4145940), (20, 3938643), (30, 2625762), (31, 2541060), (36, 2188135), (38, 2072970), (45, 1750508), (57, 1381980), (60, 1312881), (62, 1270530), (76, 1036485), (90, 875254), (93, 847020), (95, 829188), (114, 690990), (124, 635265), (155, 508212), (171, 460660), (180, 437627), (186, 423510), (190, 414594), (228, 345495), (279, 282340), (285, 276396), (310, 254106), (342, 230330), (372, 211755), (380, 207297), (465, 169404), (558, 141170), (570, 138198), (589, 133740), (620, 127053), (684, 115165), (743, 106020), (855, 92132), (930, 84702), (1116, 70585), (1140, 69099), (1178, 66870), (1395, 56468), (1486, 53010), (1710, 46066), (1767, 44580), (1860, 42351), (2229, 35340), (2356, 33435), (2790, 28234), (2945, 26748), (2972, 26505), (3420, 23033), (3534, 22290), (3715, 21204), (4458, 17670), (5301, 14860), (5580, 14117), (5890, 13374), (6687, 11780), (7068, 11145), (7430, 10602), (8835, 8916)]