81576864

素因数分解:

$2^5\times 3^2\times {\mathrm{191}}^1\times {\mathrm{1483}}^1$

素因数の和:1690

約数の個数: 72

約数和(自身を含む): 233356032

約数和(自身を除く): 151779168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 191, 288, 382, 573, 764, 1146, 1483, 1528, 1719, 2292, 2966, 3056, 3438, 4449, 4584, 5932, 6112, 6876, 8898, 9168, 11864, 13347, 13752, 17796, 18336, 23728, 26694, 27504, 35592, 47456, 53388, 55008, 71184, 106776, 142368, 213552, 283253, 427104, 566506, 849759, 1133012, 1699518, 2266024, 2549277, 3399036, 4532048, 5098554, 6798072, 9064096, 10197108, 13596144, 20394216, 27192288, 40788432, 81576864]

約数ペア:

[(1, 81576864), (2, 40788432), (3, 27192288), (4, 20394216), (6, 13596144), (8, 10197108), (9, 9064096), (12, 6798072), (16, 5098554), (18, 4532048), (24, 3399036), (32, 2549277), (36, 2266024), (48, 1699518), (72, 1133012), (96, 849759), (144, 566506), (191, 427104), (288, 283253), (382, 213552), (573, 142368), (764, 106776), (1146, 71184), (1483, 55008), (1528, 53388), (1719, 47456), (2292, 35592), (2966, 27504), (3056, 26694), (3438, 23728), (4449, 18336), (4584, 17796), (5932, 13752), (6112, 13347), (6876, 11864), (8898, 9168)]