82638920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:415

約数の個数: 128

約数和(自身を含む): 232727040

約数和(自身を除く): 150088120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 73, 91, 104, 130, 140, 146, 182, 260, 280, 292, 311, 364, 365, 455, 511, 520, 584, 622, 728, 730, 910, 949, 1022, 1244, 1460, 1555, 1820, 1898, 2044, 2177, 2488, 2555, 2920, 3110, 3640, 3796, 4043, 4088, 4354, 4745, 5110, 6220, 6643, 7592, 8086, 8708, 9490, 10220, 10885, 12440, 13286, 16172, 17416, 18980, 20215, 20440, 21770, 22703, 26572, 28301, 32344, 33215, 37960, 40430, 43540, 45406, 53144, 56602, 66430, 80860, 87080, 90812, 113204, 113515, 132860, 141505, 158921, 161720, 181624, 226408, 227030, 265720, 283010, 295139, 317842, 454060, 566020, 590278, 635684, 794605, 908120, 1132040, 1180556, 1271368, 1475695, 1589210, 2065973, 2361112, 2951390, 3178420, 4131946, 5902780, 6356840, 8263892, 10329865, 11805560, 16527784, 20659730, 41319460, 82638920]

約数ペア:

[(1, 82638920), (2, 41319460), (4, 20659730), (5, 16527784), (7, 11805560), (8, 10329865), (10, 8263892), (13, 6356840), (14, 5902780), (20, 4131946), (26, 3178420), (28, 2951390), (35, 2361112), (40, 2065973), (52, 1589210), (56, 1475695), (65, 1271368), (70, 1180556), (73, 1132040), (91, 908120), (104, 794605), (130, 635684), (140, 590278), (146, 566020), (182, 454060), (260, 317842), (280, 295139), (292, 283010), (311, 265720), (364, 227030), (365, 226408), (455, 181624), (511, 161720), (520, 158921), (584, 141505), (622, 132860), (728, 113515), (730, 113204), (910, 90812), (949, 87080), (1022, 80860), (1244, 66430), (1460, 56602), (1555, 53144), (1820, 45406), (1898, 43540), (2044, 40430), (2177, 37960), (2488, 33215), (2555, 32344), (2920, 28301), (3110, 26572), (3640, 22703), (3796, 21770), (4043, 20440), (4088, 20215), (4354, 18980), (4745, 17416), (5110, 16172), (6220, 13286), (6643, 12440), (7592, 10885), (8086, 10220), (8708, 9490)]