261600920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{13159}}^1$

素因数の和:13248

約数の個数: 64

約数和(自身を含む): 682214400

約数和(自身を除く): 420613480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 9940, 13159, 19880, 26318, 52636, 65795, 92113, 105272, 131590, 184226, 263180, 368452, 460565, 526360, 736904, 921130, 934289, 1842260, 1868578, 3684520, 3737156, 4671445, 6540023, 7474312, 9342890, 13080046, 18685780, 26160092, 32700115, 37371560, 52320184, 65400230, 130800460, 261600920]

約数ペア:

[(1, 261600920), (2, 130800460), (4, 65400230), (5, 52320184), (7, 37371560), (8, 32700115), (10, 26160092), (14, 18685780), (20, 13080046), (28, 9342890), (35, 7474312), (40, 6540023), (56, 4671445), (70, 3737156), (71, 3684520), (140, 1868578), (142, 1842260), (280, 934289), (284, 921130), (355, 736904), (497, 526360), (568, 460565), (710, 368452), (994, 263180), (1420, 184226), (1988, 131590), (2485, 105272), (2840, 92113), (3976, 65795), (4970, 52636), (9940, 26318), (13159, 19880)]