85890640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{467}}^1$

素因数の和:521

約数の個数: 120

約数和(自身を含む): 231547680

約数和(自身を除く): 145657040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 121, 152, 176, 190, 209, 220, 242, 304, 380, 418, 440, 467, 484, 605, 760, 836, 880, 934, 968, 1045, 1210, 1520, 1672, 1868, 1936, 2090, 2299, 2335, 2420, 3344, 3736, 4180, 4598, 4670, 4840, 5137, 7472, 8360, 8873, 9196, 9340, 9680, 10274, 11495, 16720, 17746, 18392, 18680, 20548, 22990, 25685, 35492, 36784, 37360, 41096, 44365, 45980, 51370, 56507, 70984, 82192, 88730, 91960, 97603, 102740, 113014, 141968, 177460, 183920, 195206, 205480, 226028, 282535, 354920, 390412, 410960, 452056, 488015, 565070, 709840, 780824, 904112, 976030, 1073633, 1130140, 1561648, 1952060, 2147266, 2260280, 3904120, 4294532, 4520560, 5368165, 7808240, 8589064, 10736330, 17178128, 21472660, 42945320, 85890640]

約数ペア:

[(1, 85890640), (2, 42945320), (4, 21472660), (5, 17178128), (8, 10736330), (10, 8589064), (11, 7808240), (16, 5368165), (19, 4520560), (20, 4294532), (22, 3904120), (38, 2260280), (40, 2147266), (44, 1952060), (55, 1561648), (76, 1130140), (80, 1073633), (88, 976030), (95, 904112), (110, 780824), (121, 709840), (152, 565070), (176, 488015), (190, 452056), (209, 410960), (220, 390412), (242, 354920), (304, 282535), (380, 226028), (418, 205480), (440, 195206), (467, 183920), (484, 177460), (605, 141968), (760, 113014), (836, 102740), (880, 97603), (934, 91960), (968, 88730), (1045, 82192), (1210, 70984), (1520, 56507), (1672, 51370), (1868, 45980), (1936, 44365), (2090, 41096), (2299, 37360), (2335, 36784), (2420, 35492), (3344, 25685), (3736, 22990), (4180, 20548), (4598, 18680), (4670, 18392), (4840, 17746), (5137, 16720), (7472, 11495), (8360, 10274), (8873, 9680), (9196, 9340)]