85018120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:347

約数の個数: 128

約数和(自身を含む): 225607680

約数和(自身を除く): 140589560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 31, 40, 44, 46, 55, 62, 88, 92, 110, 115, 124, 155, 184, 220, 230, 248, 253, 271, 310, 341, 440, 460, 506, 542, 620, 682, 713, 920, 1012, 1084, 1240, 1265, 1355, 1364, 1426, 1705, 2024, 2168, 2530, 2710, 2728, 2852, 2981, 3410, 3565, 5060, 5420, 5704, 5962, 6233, 6820, 7130, 7843, 8401, 10120, 10840, 11924, 12466, 13640, 14260, 14905, 15686, 16802, 23848, 24932, 28520, 29810, 31165, 31372, 33604, 39215, 42005, 49864, 59620, 62330, 62744, 67208, 68563, 78430, 84010, 92411, 119240, 124660, 137126, 156860, 168020, 184822, 193223, 249320, 274252, 313720, 336040, 342815, 369644, 386446, 462055, 548504, 685630, 739288, 772892, 924110, 966115, 1371260, 1545784, 1848220, 1932230, 2125453, 2742520, 3696440, 3864460, 4250906, 7728920, 8501812, 10627265, 17003624, 21254530, 42509060, 85018120]

約数ペア:

[(1, 85018120), (2, 42509060), (4, 21254530), (5, 17003624), (8, 10627265), (10, 8501812), (11, 7728920), (20, 4250906), (22, 3864460), (23, 3696440), (31, 2742520), (40, 2125453), (44, 1932230), (46, 1848220), (55, 1545784), (62, 1371260), (88, 966115), (92, 924110), (110, 772892), (115, 739288), (124, 685630), (155, 548504), (184, 462055), (220, 386446), (230, 369644), (248, 342815), (253, 336040), (271, 313720), (310, 274252), (341, 249320), (440, 193223), (460, 184822), (506, 168020), (542, 156860), (620, 137126), (682, 124660), (713, 119240), (920, 92411), (1012, 84010), (1084, 78430), (1240, 68563), (1265, 67208), (1355, 62744), (1364, 62330), (1426, 59620), (1705, 49864), (2024, 42005), (2168, 39215), (2530, 33604), (2710, 31372), (2728, 31165), (2852, 29810), (2981, 28520), (3410, 24932), (3565, 23848), (5060, 16802), (5420, 15686), (5704, 14905), (5962, 14260), (6233, 13640), (6820, 12466), (7130, 11924), (7843, 10840), (8401, 10120)]