321011880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{173}}^1$

素因数の和:288

約数の個数: 192

約数和(自身を含む): 1131027840

約数和(自身を除く): 810015960

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, 173, 188, 210, 235, 280, 282, 329, 346, 376, 420, 470, 519, 564, 658, 692, 705, 840, 865, 940, 987, 1038, 1128, 1211, 1316, 1384, 1410, 1645, 1730, 1880, 1974, 2076, 2209, 2422, 2595, 2632, 2820, 3290, 3460, 3633, 3948, 4152, 4418, 4844, 4935, 5190, 5640, 6055, 6580, 6627, 6920, 7266, 7896, 8131, 8836, 9688, 9870, 10380, 11045, 12110, 13160, 13254, 14532, 15463, 16262, 17672, 18165, 19740, 20760, 22090, 24220, 24393, 26508, 29064, 30926, 32524, 33135, 36330, 39480, 40655, 44180, 46389, 48440, 48786, 53016, 56917, 61852, 65048, 66270, 72660, 77315, 81310, 88360, 92778, 97572, 113834, 121965, 123704, 132540, 145320, 154630, 162620, 170751, 185556, 195144, 227668, 231945, 243930, 265080, 284585, 309260, 325240, 341502, 371112, 382157, 455336, 463890, 487860, 569170, 618520, 683004, 764314, 853755, 927780, 975720, 1138340, 1146471, 1366008, 1528628, 1707510, 1855560, 1910785, 2276680, 2292942, 2675099, 3057256, 3415020, 3821570, 4585884, 5350198, 5732355, 6830040, 7643140, 8025297, 9171768, 10700396, 11464710, 13375495, 15286280, 16050594, 21400792, 22929420, 26750990, 32101188, 40126485, 45858840, 53501980, 64202376, 80252970, 107003960, 160505940, 321011880]

約数ペア:

[(1, 321011880), (2, 160505940), (3, 107003960), (4, 80252970), (5, 64202376), (6, 53501980), (7, 45858840), (8, 40126485), (10, 32101188), (12, 26750990), (14, 22929420), (15, 21400792), (20, 16050594), (21, 15286280), (24, 13375495), (28, 11464710), (30, 10700396), (35, 9171768), (40, 8025297), (42, 7643140), (47, 6830040), (56, 5732355), (60, 5350198), (70, 4585884), (84, 3821570), (94, 3415020), (105, 3057256), (120, 2675099), (140, 2292942), (141, 2276680), (168, 1910785), (173, 1855560), (188, 1707510), (210, 1528628), (235, 1366008), (280, 1146471), (282, 1138340), (329, 975720), (346, 927780), (376, 853755), (420, 764314), (470, 683004), (519, 618520), (564, 569170), (658, 487860), (692, 463890), (705, 455336), (840, 382157), (865, 371112), (940, 341502), (987, 325240), (1038, 309260), (1128, 284585), (1211, 265080), (1316, 243930), (1384, 231945), (1410, 227668), (1645, 195144), (1730, 185556), (1880, 170751), (1974, 162620), (2076, 154630), (2209, 145320), (2422, 132540), (2595, 123704), (2632, 121965), (2820, 113834), (3290, 97572), (3460, 92778), (3633, 88360), (3948, 81310), (4152, 77315), (4418, 72660), (4844, 66270), (4935, 65048), (5190, 61852), (5640, 56917), (6055, 53016), (6580, 48786), (6627, 48440), (6920, 46389), (7266, 44180), (7896, 40655), (8131, 39480), (8836, 36330), (9688, 33135), (9870, 32524), (10380, 30926), (11045, 29064), (12110, 26508), (13160, 24393), (13254, 24220), (14532, 22090), (15463, 20760), (16262, 19740), (17672, 18165)]