161830760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1933}}^1$

素因数の和:1987

約数の個数: 128

約数和(自身を含む): 467873280

約数和(自身を除く): 306042520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 230, 260, 280, 299, 322, 364, 455, 460, 520, 598, 644, 728, 805, 910, 920, 1196, 1288, 1495, 1610, 1820, 1933, 2093, 2392, 2990, 3220, 3640, 3866, 4186, 5980, 6440, 7732, 8372, 9665, 10465, 11960, 13531, 15464, 16744, 19330, 20930, 25129, 27062, 38660, 41860, 44459, 50258, 54124, 67655, 77320, 83720, 88918, 100516, 108248, 125645, 135310, 175903, 177836, 201032, 222295, 251290, 270620, 311213, 351806, 355672, 444590, 502580, 541240, 577967, 622426, 703612, 879515, 889180, 1005160, 1155934, 1244852, 1407224, 1556065, 1759030, 1778360, 2311868, 2489704, 2889835, 3112130, 3518060, 4045769, 4623736, 5779670, 6224260, 7036120, 8091538, 11559340, 12448520, 16183076, 20228845, 23118680, 32366152, 40457690, 80915380, 161830760]

約数ペア:

[(1, 161830760), (2, 80915380), (4, 40457690), (5, 32366152), (7, 23118680), (8, 20228845), (10, 16183076), (13, 12448520), (14, 11559340), (20, 8091538), (23, 7036120), (26, 6224260), (28, 5779670), (35, 4623736), (40, 4045769), (46, 3518060), (52, 3112130), (56, 2889835), (65, 2489704), (70, 2311868), (91, 1778360), (92, 1759030), (104, 1556065), (115, 1407224), (130, 1244852), (140, 1155934), (161, 1005160), (182, 889180), (184, 879515), (230, 703612), (260, 622426), (280, 577967), (299, 541240), (322, 502580), (364, 444590), (455, 355672), (460, 351806), (520, 311213), (598, 270620), (644, 251290), (728, 222295), (805, 201032), (910, 177836), (920, 175903), (1196, 135310), (1288, 125645), (1495, 108248), (1610, 100516), (1820, 88918), (1933, 83720), (2093, 77320), (2392, 67655), (2990, 54124), (3220, 50258), (3640, 44459), (3866, 41860), (4186, 38660), (5980, 27062), (6440, 25129), (7732, 20930), (8372, 19330), (9665, 16744), (10465, 15464), (11960, 13531)]