1920816240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{887}}^1\times {\mathrm{1289}}^1$

素因数の和:2199

約数の個数: 160

約数和(自身を含む): 6818135040

約数和(自身を除く): 4897318800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 887, 1289, 1680, 1774, 2578, 2661, 3548, 3867, 4435, 5156, 5322, 6209, 6445, 7096, 7734, 8870, 9023, 10312, 10644, 12418, 12890, 13305, 14192, 15468, 17740, 18046, 18627, 19335, 20624, 21288, 24836, 25780, 26610, 27069, 30936, 31045, 35480, 36092, 37254, 38670, 42576, 45115, 49672, 51560, 53220, 54138, 61872, 62090, 70960, 72184, 74508, 77340, 90230, 93135, 99344, 103120, 106440, 108276, 124180, 135345, 144368, 149016, 154680, 180460, 186270, 212880, 216552, 248360, 270690, 298032, 309360, 360920, 372540, 433104, 496720, 541380, 721840, 745080, 1082760, 1143343, 1490160, 2165520, 2286686, 3430029, 4573372, 5716715, 6860058, 8003401, 9146744, 11433430, 13720116, 16006802, 17150145, 18293488, 22866860, 24010203, 27440232, 32013604, 34300290, 40017005, 45733720, 48020406, 54880464, 64027208, 68600580, 80034010, 91467440, 96040812, 120051015, 128054416, 137201160, 160068020, 192081624, 240102030, 274402320, 320136040, 384163248, 480204060, 640272080, 960408120, 1920816240]

約数ペア:

[(1, 1920816240), (2, 960408120), (3, 640272080), (4, 480204060), (5, 384163248), (6, 320136040), (7, 274402320), (8, 240102030), (10, 192081624), (12, 160068020), (14, 137201160), (15, 128054416), (16, 120051015), (20, 96040812), (21, 91467440), (24, 80034010), (28, 68600580), (30, 64027208), (35, 54880464), (40, 48020406), (42, 45733720), (48, 40017005), (56, 34300290), (60, 32013604), (70, 27440232), (80, 24010203), (84, 22866860), (105, 18293488), (112, 17150145), (120, 16006802), (140, 13720116), (168, 11433430), (210, 9146744), (240, 8003401), (280, 6860058), (336, 5716715), (420, 4573372), (560, 3430029), (840, 2286686), (887, 2165520), (1289, 1490160), (1680, 1143343), (1774, 1082760), (2578, 745080), (2661, 721840), (3548, 541380), (3867, 496720), (4435, 433104), (5156, 372540), (5322, 360920), (6209, 309360), (6445, 298032), (7096, 270690), (7734, 248360), (8870, 216552), (9023, 212880), (10312, 186270), (10644, 180460), (12418, 154680), (12890, 149016), (13305, 144368), (14192, 135345), (15468, 124180), (17740, 108276), (18046, 106440), (18627, 103120), (19335, 99344), (20624, 93135), (21288, 90230), (24836, 77340), (25780, 74508), (26610, 72184), (27069, 70960), (30936, 62090), (31045, 61872), (35480, 54138), (36092, 53220), (37254, 51560), (38670, 49672), (42576, 45115)]