87211320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^3$

素因数の和:162

約数の個数: 128

約数和(自身を含む): 305510400

約数和(自身を除く): 218299080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 470, 564, 658, 705, 840, 940, 987, 1128, 1316, 1410, 1645, 1880, 1974, 2209, 2632, 2820, 3290, 3948, 4418, 4935, 5640, 6580, 6627, 7896, 8836, 9870, 11045, 13160, 13254, 15463, 17672, 19740, 22090, 26508, 30926, 33135, 39480, 44180, 46389, 53016, 61852, 66270, 77315, 88360, 92778, 103823, 123704, 132540, 154630, 185556, 207646, 231945, 265080, 309260, 311469, 371112, 415292, 463890, 519115, 618520, 622938, 726761, 830584, 927780, 1038230, 1245876, 1453522, 1557345, 1855560, 2076460, 2180283, 2491752, 2907044, 3114690, 3633805, 4152920, 4360566, 5814088, 6229380, 7267610, 8721132, 10901415, 12458760, 14535220, 17442264, 21802830, 29070440, 43605660, 87211320]

約数ペア:

[(1, 87211320), (2, 43605660), (3, 29070440), (4, 21802830), (5, 17442264), (6, 14535220), (7, 12458760), (8, 10901415), (10, 8721132), (12, 7267610), (14, 6229380), (15, 5814088), (20, 4360566), (21, 4152920), (24, 3633805), (28, 3114690), (30, 2907044), (35, 2491752), (40, 2180283), (42, 2076460), (47, 1855560), (56, 1557345), (60, 1453522), (70, 1245876), (84, 1038230), (94, 927780), (105, 830584), (120, 726761), (140, 622938), (141, 618520), (168, 519115), (188, 463890), (210, 415292), (235, 371112), (280, 311469), (282, 309260), (329, 265080), (376, 231945), (420, 207646), (470, 185556), (564, 154630), (658, 132540), (705, 123704), (840, 103823), (940, 92778), (987, 88360), (1128, 77315), (1316, 66270), (1410, 61852), (1645, 53016), (1880, 46389), (1974, 44180), (2209, 39480), (2632, 33135), (2820, 30926), (3290, 26508), (3948, 22090), (4418, 19740), (4935, 17672), (5640, 15463), (6580, 13254), (6627, 13160), (7896, 11045), (8836, 9870)]