289688280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1733}}^1$

素因数の和:1953

約数の個数: 128

約数和(自身を含む): 998784000

約数和(自身を除く): 709095720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 199, 210, 280, 398, 420, 597, 796, 840, 995, 1194, 1393, 1592, 1733, 1990, 2388, 2786, 2985, 3466, 3980, 4179, 4776, 5199, 5572, 5970, 6932, 6965, 7960, 8358, 8665, 10398, 11144, 11940, 12131, 13864, 13930, 16716, 17330, 20796, 20895, 23880, 24262, 25995, 27860, 33432, 34660, 36393, 41592, 41790, 48524, 51990, 55720, 60655, 69320, 72786, 83580, 97048, 103980, 121310, 145572, 167160, 181965, 207960, 242620, 291144, 344867, 363930, 485240, 689734, 727860, 1034601, 1379468, 1455720, 1724335, 2069202, 2414069, 2758936, 3448670, 4138404, 4828138, 5173005, 6897340, 7242207, 8276808, 9656276, 10346010, 12070345, 13794680, 14484414, 19312552, 20692020, 24140690, 28968828, 36211035, 41384040, 48281380, 57937656, 72422070, 96562760, 144844140, 289688280]

約数ペア:

[(1, 289688280), (2, 144844140), (3, 96562760), (4, 72422070), (5, 57937656), (6, 48281380), (7, 41384040), (8, 36211035), (10, 28968828), (12, 24140690), (14, 20692020), (15, 19312552), (20, 14484414), (21, 13794680), (24, 12070345), (28, 10346010), (30, 9656276), (35, 8276808), (40, 7242207), (42, 6897340), (56, 5173005), (60, 4828138), (70, 4138404), (84, 3448670), (105, 2758936), (120, 2414069), (140, 2069202), (168, 1724335), (199, 1455720), (210, 1379468), (280, 1034601), (398, 727860), (420, 689734), (597, 485240), (796, 363930), (840, 344867), (995, 291144), (1194, 242620), (1393, 207960), (1592, 181965), (1733, 167160), (1990, 145572), (2388, 121310), (2786, 103980), (2985, 97048), (3466, 83580), (3980, 72786), (4179, 69320), (4776, 60655), (5199, 55720), (5572, 51990), (5970, 48524), (6932, 41790), (6965, 41592), (7960, 36393), (8358, 34660), (8665, 33432), (10398, 27860), (11144, 25995), (11940, 24262), (12131, 23880), (13864, 20895), (13930, 20796), (16716, 17330)]