205513280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3989}}^1$

素因数の和:4036

約数の個数: 112

約数和(自身を含む): 583752960

約数和(自身を除く): 378239680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 644, 736, 805, 920, 1120, 1288, 1472, 1610, 1840, 2240, 2576, 3220, 3680, 3989, 5152, 6440, 7360, 7978, 10304, 12880, 15956, 19945, 25760, 27923, 31912, 39890, 51520, 55846, 63824, 79780, 91747, 111692, 127648, 139615, 159560, 183494, 223384, 255296, 279230, 319120, 366988, 446768, 458735, 558460, 638240, 642229, 733976, 893536, 917470, 1116920, 1276480, 1284458, 1467952, 1787072, 1834940, 2233840, 2568916, 2935904, 3211145, 3669880, 4467680, 5137832, 5871808, 6422290, 7339760, 8935360, 10275664, 12844580, 14679520, 20551328, 25689160, 29359040, 41102656, 51378320, 102756640, 205513280]

約数ペア:

[(1, 205513280), (2, 102756640), (4, 51378320), (5, 41102656), (7, 29359040), (8, 25689160), (10, 20551328), (14, 14679520), (16, 12844580), (20, 10275664), (23, 8935360), (28, 7339760), (32, 6422290), (35, 5871808), (40, 5137832), (46, 4467680), (56, 3669880), (64, 3211145), (70, 2935904), (80, 2568916), (92, 2233840), (112, 1834940), (115, 1787072), (140, 1467952), (160, 1284458), (161, 1276480), (184, 1116920), (224, 917470), (230, 893536), (280, 733976), (320, 642229), (322, 638240), (368, 558460), (448, 458735), (460, 446768), (560, 366988), (644, 319120), (736, 279230), (805, 255296), (920, 223384), (1120, 183494), (1288, 159560), (1472, 139615), (1610, 127648), (1840, 111692), (2240, 91747), (2576, 79780), (3220, 63824), (3680, 55846), (3989, 51520), (5152, 39890), (6440, 31912), (7360, 27923), (7978, 25760), (10304, 19945), (12880, 15956)]