30899120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2399}}^1$

素因数の和:2442

約数の個数: 80

約数和(自身を含む): 85708800

約数和(自身を除く): 54809680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2399, 2576, 3220, 4798, 6440, 9596, 11995, 12880, 16793, 19192, 23990, 33586, 38384, 47980, 55177, 67172, 83965, 95960, 110354, 134344, 167930, 191920, 220708, 268688, 275885, 335860, 386239, 441416, 551770, 671720, 772478, 882832, 1103540, 1343440, 1544956, 1931195, 2207080, 3089912, 3862390, 4414160, 6179824, 7724780, 15449560, 30899120]

約数ペア:

[(1, 30899120), (2, 15449560), (4, 7724780), (5, 6179824), (7, 4414160), (8, 3862390), (10, 3089912), (14, 2207080), (16, 1931195), (20, 1544956), (23, 1343440), (28, 1103540), (35, 882832), (40, 772478), (46, 671720), (56, 551770), (70, 441416), (80, 386239), (92, 335860), (112, 275885), (115, 268688), (140, 220708), (161, 191920), (184, 167930), (230, 134344), (280, 110354), (322, 95960), (368, 83965), (460, 67172), (560, 55177), (644, 47980), (805, 38384), (920, 33586), (1288, 23990), (1610, 19192), (1840, 16793), (2399, 12880), (2576, 11995), (3220, 9596), (4798, 6440)]