81982170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 220231440

約数和(自身を除く): 138249270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 109, 122, 137, 183, 218, 274, 305, 327, 366, 411, 545, 549, 610, 654, 685, 822, 915, 981, 1090, 1098, 1233, 1370, 1635, 1830, 1962, 2055, 2466, 2745, 3270, 4110, 4905, 5490, 6165, 6649, 8357, 9810, 12330, 13298, 14933, 16714, 19947, 25071, 29866, 33245, 39894, 41785, 44799, 50142, 59841, 66490, 74665, 75213, 83570, 89598, 99735, 119682, 125355, 134397, 149330, 150426, 199470, 223995, 250710, 268794, 299205, 376065, 447990, 598410, 671985, 752130, 910913, 1343970, 1821826, 2732739, 4554565, 5465478, 8198217, 9109130, 13663695, 16396434, 27327390, 40991085, 81982170]

約数ペア:

[(1, 81982170), (2, 40991085), (3, 27327390), (5, 16396434), (6, 13663695), (9, 9109130), (10, 8198217), (15, 5465478), (18, 4554565), (30, 2732739), (45, 1821826), (61, 1343970), (90, 910913), (109, 752130), (122, 671985), (137, 598410), (183, 447990), (218, 376065), (274, 299205), (305, 268794), (327, 250710), (366, 223995), (411, 199470), (545, 150426), (549, 149330), (610, 134397), (654, 125355), (685, 119682), (822, 99735), (915, 89598), (981, 83570), (1090, 75213), (1098, 74665), (1233, 66490), (1370, 59841), (1635, 50142), (1830, 44799), (1962, 41785), (2055, 39894), (2466, 33245), (2745, 29866), (3270, 25071), (4110, 19947), (4905, 16714), (5490, 14933), (6165, 13298), (6649, 12330), (8357, 9810)]