51189840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1823}}^1$

素因数の和:1858

約数の個数: 160

約数和(自身を含む): 189987840

約数和(自身を除く): 138798000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 702, 720, 780, 936, 1040, 1080, 1170, 1404, 1560, 1755, 1823, 1872, 2160, 2340, 2808, 3120, 3510, 3646, 4680, 5469, 5616, 7020, 7292, 9115, 9360, 10938, 14040, 14584, 16407, 18230, 21876, 23699, 27345, 28080, 29168, 32814, 36460, 43752, 47398, 49221, 54690, 65628, 71097, 72920, 82035, 87504, 94796, 98442, 109380, 118495, 131256, 142194, 145840, 164070, 189592, 196884, 213291, 218760, 236990, 246105, 262512, 284388, 328140, 355485, 379184, 393768, 426582, 437520, 473980, 492210, 568776, 639873, 656280, 710970, 787536, 853164, 947960, 984420, 1066455, 1137552, 1279746, 1312560, 1421940, 1706328, 1895920, 1968840, 2132910, 2559492, 2843880, 3199365, 3412656, 3937680, 4265820, 5118984, 5687760, 6398730, 8531640, 10237968, 12797460, 17063280, 25594920, 51189840]

約数ペア:

[(1, 51189840), (2, 25594920), (3, 17063280), (4, 12797460), (5, 10237968), (6, 8531640), (8, 6398730), (9, 5687760), (10, 5118984), (12, 4265820), (13, 3937680), (15, 3412656), (16, 3199365), (18, 2843880), (20, 2559492), (24, 2132910), (26, 1968840), (27, 1895920), (30, 1706328), (36, 1421940), (39, 1312560), (40, 1279746), (45, 1137552), (48, 1066455), (52, 984420), (54, 947960), (60, 853164), (65, 787536), (72, 710970), (78, 656280), (80, 639873), (90, 568776), (104, 492210), (108, 473980), (117, 437520), (120, 426582), (130, 393768), (135, 379184), (144, 355485), (156, 328140), (180, 284388), (195, 262512), (208, 246105), (216, 236990), (234, 218760), (240, 213291), (260, 196884), (270, 189592), (312, 164070), (351, 145840), (360, 142194), (390, 131256), (432, 118495), (468, 109380), (520, 98442), (540, 94796), (585, 87504), (624, 82035), (702, 72920), (720, 71097), (780, 65628), (936, 54690), (1040, 49221), (1080, 47398), (1170, 43752), (1404, 36460), (1560, 32814), (1755, 29168), (1823, 28080), (1872, 27345), (2160, 23699), (2340, 21876), (2808, 18230), (3120, 16407), (3510, 14584), (3646, 14040), (4680, 10938), (5469, 9360), (5616, 9115), (7020, 7292)]