31278360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4273}}^1$

素因数の和:4348

約数の個数: 64

約数和(自身を含む): 95395680

約数和(自身を除く): 64117320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 4273, 7320, 8546, 12819, 17092, 21365, 25638, 34184, 42730, 51276, 64095, 85460, 102552, 128190, 170920, 256380, 260653, 512760, 521306, 781959, 1042612, 1303265, 1563918, 2085224, 2606530, 3127836, 3909795, 5213060, 6255672, 7819590, 10426120, 15639180, 31278360]

約数ペア:

[(1, 31278360), (2, 15639180), (3, 10426120), (4, 7819590), (5, 6255672), (6, 5213060), (8, 3909795), (10, 3127836), (12, 2606530), (15, 2085224), (20, 1563918), (24, 1303265), (30, 1042612), (40, 781959), (60, 521306), (61, 512760), (120, 260653), (122, 256380), (183, 170920), (244, 128190), (305, 102552), (366, 85460), (488, 64095), (610, 51276), (732, 42730), (915, 34184), (1220, 25638), (1464, 21365), (1830, 17092), (2440, 12819), (3660, 8546), (4273, 7320)]