180985870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 364041216

約数和(自身を除く): 183055346

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 191, 197, 370, 382, 394, 481, 955, 962, 985, 1910, 1970, 2405, 2483, 2561, 4810, 4966, 5122, 7067, 7289, 12415, 12805, 14134, 14578, 24830, 25610, 35335, 36445, 37627, 70670, 72890, 75254, 91871, 94757, 183742, 188135, 189514, 376270, 459355, 473785, 489151, 918710, 947570, 978302, 1392199, 2445755, 2784398, 4891510, 6960995, 13921990, 18098587, 36197174, 90492935, 180985870]

約数ペア:

[(1, 180985870), (2, 90492935), (5, 36197174), (10, 18098587), (13, 13921990), (26, 6960995), (37, 4891510), (65, 2784398), (74, 2445755), (130, 1392199), (185, 978302), (191, 947570), (197, 918710), (370, 489151), (382, 473785), (394, 459355), (481, 376270), (955, 189514), (962, 188135), (985, 183742), (1910, 94757), (1970, 91871), (2405, 75254), (2483, 72890), (2561, 70670), (4810, 37627), (4966, 36445), (5122, 35335), (7067, 25610), (7289, 24830), (12415, 14578), (12805, 14134)]