311901480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{997}}^1$

素因数の和:1104

約数の個数: 192

約数和(自身を含む): 1120953600

約数和(自身を除く): 809052120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 79, 88, 90, 99, 110, 120, 132, 158, 165, 180, 198, 220, 237, 264, 316, 330, 360, 395, 396, 440, 474, 495, 632, 660, 711, 790, 792, 869, 948, 990, 997, 1185, 1320, 1422, 1580, 1738, 1896, 1980, 1994, 2370, 2607, 2844, 2991, 3160, 3476, 3555, 3960, 3988, 4345, 4740, 4985, 5214, 5688, 5982, 6952, 7110, 7821, 7976, 8690, 8973, 9480, 9970, 10428, 10967, 11964, 13035, 14220, 14955, 15642, 17380, 17946, 19940, 20856, 21934, 23928, 26070, 28440, 29910, 31284, 32901, 34760, 35892, 39105, 39880, 43868, 44865, 52140, 54835, 59820, 62568, 65802, 71784, 78210, 78763, 87736, 89730, 98703, 104280, 109670, 119640, 131604, 156420, 157526, 164505, 179460, 197406, 219340, 236289, 263208, 312840, 315052, 329010, 358920, 393815, 394812, 438680, 472578, 493515, 630104, 658020, 708867, 787630, 789624, 866393, 945156, 987030, 1181445, 1316040, 1417734, 1575260, 1732786, 1890312, 1974060, 2362890, 2599179, 2835468, 3150520, 3465572, 3544335, 3948120, 4331965, 4725780, 5198358, 5670936, 6931144, 7088670, 7797537, 8663930, 9451560, 10396716, 12995895, 14177340, 15595074, 17327860, 20793432, 25991790, 28354680, 31190148, 34655720, 38987685, 51983580, 62380296, 77975370, 103967160, 155950740, 311901480]

約数ペア:

[(1, 311901480), (2, 155950740), (3, 103967160), (4, 77975370), (5, 62380296), (6, 51983580), (8, 38987685), (9, 34655720), (10, 31190148), (11, 28354680), (12, 25991790), (15, 20793432), (18, 17327860), (20, 15595074), (22, 14177340), (24, 12995895), (30, 10396716), (33, 9451560), (36, 8663930), (40, 7797537), (44, 7088670), (45, 6931144), (55, 5670936), (60, 5198358), (66, 4725780), (72, 4331965), (79, 3948120), (88, 3544335), (90, 3465572), (99, 3150520), (110, 2835468), (120, 2599179), (132, 2362890), (158, 1974060), (165, 1890312), (180, 1732786), (198, 1575260), (220, 1417734), (237, 1316040), (264, 1181445), (316, 987030), (330, 945156), (360, 866393), (395, 789624), (396, 787630), (440, 708867), (474, 658020), (495, 630104), (632, 493515), (660, 472578), (711, 438680), (790, 394812), (792, 393815), (869, 358920), (948, 329010), (990, 315052), (997, 312840), (1185, 263208), (1320, 236289), (1422, 219340), (1580, 197406), (1738, 179460), (1896, 164505), (1980, 157526), (1994, 156420), (2370, 131604), (2607, 119640), (2844, 109670), (2991, 104280), (3160, 98703), (3476, 89730), (3555, 87736), (3960, 78763), (3988, 78210), (4345, 71784), (4740, 65802), (4985, 62568), (5214, 59820), (5688, 54835), (5982, 52140), (6952, 44865), (7110, 43868), (7821, 39880), (7976, 39105), (8690, 35892), (8973, 34760), (9480, 32901), (9970, 31284), (10428, 29910), (10967, 28440), (11964, 26070), (13035, 23928), (14220, 21934), (14955, 20856), (15642, 19940), (17380, 17946)]