257575560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2351}}^1$

素因数の和:2459

約数の個数: 128

約数和(自身を含む): 853493760

約数和(自身を除く): 595918200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 83, 88, 110, 120, 132, 165, 166, 220, 249, 264, 330, 332, 415, 440, 498, 660, 664, 830, 913, 996, 1245, 1320, 1660, 1826, 1992, 2351, 2490, 2739, 3320, 3652, 4565, 4702, 4980, 5478, 7053, 7304, 9130, 9404, 9960, 10956, 11755, 13695, 14106, 18260, 18808, 21912, 23510, 25861, 27390, 28212, 35265, 36520, 47020, 51722, 54780, 56424, 70530, 77583, 94040, 103444, 109560, 129305, 141060, 155166, 195133, 206888, 258610, 282120, 310332, 387915, 390266, 517220, 585399, 620664, 775830, 780532, 975665, 1034440, 1170798, 1551660, 1561064, 1951330, 2146463, 2341596, 2926995, 3103320, 3902660, 4292926, 4683192, 5853990, 6439389, 7805320, 8585852, 10732315, 11707980, 12878778, 17171704, 21464630, 23415960, 25757556, 32196945, 42929260, 51515112, 64393890, 85858520, 128787780, 257575560]

約数ペア:

[(1, 257575560), (2, 128787780), (3, 85858520), (4, 64393890), (5, 51515112), (6, 42929260), (8, 32196945), (10, 25757556), (11, 23415960), (12, 21464630), (15, 17171704), (20, 12878778), (22, 11707980), (24, 10732315), (30, 8585852), (33, 7805320), (40, 6439389), (44, 5853990), (55, 4683192), (60, 4292926), (66, 3902660), (83, 3103320), (88, 2926995), (110, 2341596), (120, 2146463), (132, 1951330), (165, 1561064), (166, 1551660), (220, 1170798), (249, 1034440), (264, 975665), (330, 780532), (332, 775830), (415, 620664), (440, 585399), (498, 517220), (660, 390266), (664, 387915), (830, 310332), (913, 282120), (996, 258610), (1245, 206888), (1320, 195133), (1660, 155166), (1826, 141060), (1992, 129305), (2351, 109560), (2490, 103444), (2739, 94040), (3320, 77583), (3652, 70530), (4565, 56424), (4702, 54780), (4980, 51722), (5478, 47020), (7053, 36520), (7304, 35265), (9130, 28212), (9404, 27390), (9960, 25861), (10956, 23510), (11755, 21912), (13695, 18808), (14106, 18260)]