131215000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:219

約数の個数: 160

約数和(自身を含む): 368881920

約数和(自身を除く): 237666920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 92, 100, 115, 125, 140, 161, 163, 175, 184, 200, 230, 250, 280, 322, 326, 350, 460, 500, 575, 625, 644, 652, 700, 805, 815, 875, 920, 1000, 1141, 1150, 1250, 1288, 1304, 1400, 1610, 1630, 1750, 2282, 2300, 2500, 2875, 3220, 3260, 3500, 3749, 4025, 4075, 4375, 4564, 4600, 5000, 5705, 5750, 6440, 6520, 7000, 7498, 8050, 8150, 8750, 9128, 11410, 11500, 14375, 14996, 16100, 16300, 17500, 18745, 20125, 20375, 22820, 23000, 26243, 28525, 28750, 29992, 32200, 32600, 35000, 37490, 40250, 40750, 45640, 52486, 57050, 57500, 74980, 80500, 81500, 93725, 100625, 101875, 104972, 114100, 115000, 131215, 142625, 149960, 161000, 163000, 187450, 201250, 203750, 209944, 228200, 262430, 285250, 374900, 402500, 407500, 468625, 524860, 570500, 656075, 713125, 749800, 805000, 815000, 937250, 1049720, 1141000, 1312150, 1426250, 1874500, 2343125, 2624300, 2852500, 3280375, 3749000, 4686250, 5248600, 5705000, 6560750, 9372500, 13121500, 16401875, 18745000, 26243000, 32803750, 65607500, 131215000]

約数ペア:

[(1, 131215000), (2, 65607500), (4, 32803750), (5, 26243000), (7, 18745000), (8, 16401875), (10, 13121500), (14, 9372500), (20, 6560750), (23, 5705000), (25, 5248600), (28, 4686250), (35, 3749000), (40, 3280375), (46, 2852500), (50, 2624300), (56, 2343125), (70, 1874500), (92, 1426250), (100, 1312150), (115, 1141000), (125, 1049720), (140, 937250), (161, 815000), (163, 805000), (175, 749800), (184, 713125), (200, 656075), (230, 570500), (250, 524860), (280, 468625), (322, 407500), (326, 402500), (350, 374900), (460, 285250), (500, 262430), (575, 228200), (625, 209944), (644, 203750), (652, 201250), (700, 187450), (805, 163000), (815, 161000), (875, 149960), (920, 142625), (1000, 131215), (1141, 115000), (1150, 114100), (1250, 104972), (1288, 101875), (1304, 100625), (1400, 93725), (1610, 81500), (1630, 80500), (1750, 74980), (2282, 57500), (2300, 57050), (2500, 52486), (2875, 45640), (3220, 40750), (3260, 40250), (3500, 37490), (3749, 35000), (4025, 32600), (4075, 32200), (4375, 29992), (4564, 28750), (4600, 28525), (5000, 26243), (5705, 23000), (5750, 22820), (6440, 20375), (6520, 20125), (7000, 18745), (7498, 17500), (8050, 16300), (8150, 16100), (8750, 14996), (9128, 14375), (11410, 11500)]