340403280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{202621}}^1$

素因数の和:202644

約数の個数: 80

約数和(自身を含む): 1206006144

約数和(自身を除く): 865602864

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, 1680, 202621, 405242, 607863, 810484, 1013105, 1215726, 1418347, 1620968, 2026210, 2431452, 2836694, 3039315, 3241936, 4052420, 4255041, 4862904, 5673388, 6078630, 7091735, 8104840, 8510082, 9725808, 11346776, 12157260, 14183470, 16209680, 17020164, 21275205, 22693552, 24314520, 28366940, 34040328, 42550410, 48629040, 56733880, 68080656, 85100820, 113467760, 170201640, 340403280]

約数ペア:

[(1, 340403280), (2, 170201640), (3, 113467760), (4, 85100820), (5, 68080656), (6, 56733880), (7, 48629040), (8, 42550410), (10, 34040328), (12, 28366940), (14, 24314520), (15, 22693552), (16, 21275205), (20, 17020164), (21, 16209680), (24, 14183470), (28, 12157260), (30, 11346776), (35, 9725808), (40, 8510082), (42, 8104840), (48, 7091735), (56, 6078630), (60, 5673388), (70, 4862904), (80, 4255041), (84, 4052420), (105, 3241936), (112, 3039315), (120, 2836694), (140, 2431452), (168, 2026210), (210, 1620968), (240, 1418347), (280, 1215726), (336, 1013105), (420, 810484), (560, 607863), (840, 405242), (1680, 202621)]