1628880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{617}}^1$

素因数の和:644

約数の個数: 80

約数和(自身を含む): 5517504

約数和(自身を除く): 3888624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 617, 660, 880, 1234, 1320, 1851, 2468, 2640, 3085, 3702, 4936, 6170, 6787, 7404, 9255, 9872, 12340, 13574, 14808, 18510, 20361, 24680, 27148, 29616, 33935, 37020, 40722, 49360, 54296, 67870, 74040, 81444, 101805, 108592, 135740, 148080, 162888, 203610, 271480, 325776, 407220, 542960, 814440, 1628880]

約数ペア:

[(1, 1628880), (2, 814440), (3, 542960), (4, 407220), (5, 325776), (6, 271480), (8, 203610), (10, 162888), (11, 148080), (12, 135740), (15, 108592), (16, 101805), (20, 81444), (22, 74040), (24, 67870), (30, 54296), (33, 49360), (40, 40722), (44, 37020), (48, 33935), (55, 29616), (60, 27148), (66, 24680), (80, 20361), (88, 18510), (110, 14808), (120, 13574), (132, 12340), (165, 9872), (176, 9255), (220, 7404), (240, 6787), (264, 6170), (330, 4936), (440, 3702), (528, 3085), (617, 2640), (660, 2468), (880, 1851), (1234, 1320)]