313911540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{349}}^1$

素因数の和:646

約数の個数: 144

約数和(自身を含む): 1009008000

約数和(自身を除く): 695096460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 263, 285, 342, 349, 380, 526, 570, 684, 698, 789, 855, 1047, 1052, 1140, 1315, 1396, 1578, 1710, 1745, 2094, 2367, 2630, 3141, 3156, 3420, 3490, 3945, 4188, 4734, 4997, 5235, 5260, 6282, 6631, 6980, 7890, 9468, 9994, 10470, 11835, 12564, 13262, 14991, 15705, 15780, 19893, 19988, 20940, 23670, 24985, 26524, 29982, 31410, 33155, 39786, 44973, 47340, 49970, 59679, 59964, 62820, 66310, 74955, 79572, 89946, 91787, 99465, 99940, 119358, 132620, 149910, 179892, 183574, 198930, 224865, 238716, 275361, 298395, 299820, 367148, 397860, 449730, 458935, 550722, 596790, 826083, 899460, 917870, 1101444, 1193580, 1376805, 1652166, 1743953, 1835740, 2753610, 3304332, 3487906, 4130415, 5231859, 5507220, 6975812, 8260830, 8719765, 10463718, 15695577, 16521660, 17439530, 20927436, 26159295, 31391154, 34879060, 52318590, 62782308, 78477885, 104637180, 156955770, 313911540]

約数ペア:

[(1, 313911540), (2, 156955770), (3, 104637180), (4, 78477885), (5, 62782308), (6, 52318590), (9, 34879060), (10, 31391154), (12, 26159295), (15, 20927436), (18, 17439530), (19, 16521660), (20, 15695577), (30, 10463718), (36, 8719765), (38, 8260830), (45, 6975812), (57, 5507220), (60, 5231859), (76, 4130415), (90, 3487906), (95, 3304332), (114, 2753610), (171, 1835740), (180, 1743953), (190, 1652166), (228, 1376805), (263, 1193580), (285, 1101444), (342, 917870), (349, 899460), (380, 826083), (526, 596790), (570, 550722), (684, 458935), (698, 449730), (789, 397860), (855, 367148), (1047, 299820), (1052, 298395), (1140, 275361), (1315, 238716), (1396, 224865), (1578, 198930), (1710, 183574), (1745, 179892), (2094, 149910), (2367, 132620), (2630, 119358), (3141, 99940), (3156, 99465), (3420, 91787), (3490, 89946), (3945, 79572), (4188, 74955), (4734, 66310), (4997, 62820), (5235, 59964), (5260, 59679), (6282, 49970), (6631, 47340), (6980, 44973), (7890, 39786), (9468, 33155), (9994, 31410), (10470, 29982), (11835, 26524), (12564, 24985), (13262, 23670), (14991, 20940), (15705, 19988), (15780, 19893)]