181527640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 483356160

約数和(自身を除く): 301828520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 83, 107, 140, 146, 166, 214, 280, 292, 332, 365, 415, 428, 511, 535, 581, 584, 664, 730, 749, 830, 856, 1022, 1070, 1162, 1460, 1498, 1660, 2044, 2140, 2324, 2555, 2905, 2920, 2996, 3320, 3745, 4088, 4280, 4648, 5110, 5810, 5992, 6059, 7490, 7811, 8881, 10220, 11620, 12118, 14980, 15622, 17762, 20440, 23240, 24236, 29960, 30295, 31244, 35524, 39055, 42413, 44405, 48472, 54677, 60590, 62167, 62488, 71048, 78110, 84826, 88810, 109354, 121180, 124334, 156220, 169652, 177620, 212065, 218708, 242360, 248668, 273385, 310835, 312440, 339304, 355240, 424130, 437416, 497336, 546770, 621670, 648313, 848260, 1093540, 1243340, 1296626, 1696520, 2187080, 2486680, 2593252, 3241565, 4538191, 5186504, 6483130, 9076382, 12966260, 18152764, 22690955, 25932520, 36305528, 45381910, 90763820, 181527640]

約数ペア:

[(1, 181527640), (2, 90763820), (4, 45381910), (5, 36305528), (7, 25932520), (8, 22690955), (10, 18152764), (14, 12966260), (20, 9076382), (28, 6483130), (35, 5186504), (40, 4538191), (56, 3241565), (70, 2593252), (73, 2486680), (83, 2187080), (107, 1696520), (140, 1296626), (146, 1243340), (166, 1093540), (214, 848260), (280, 648313), (292, 621670), (332, 546770), (365, 497336), (415, 437416), (428, 424130), (511, 355240), (535, 339304), (581, 312440), (584, 310835), (664, 273385), (730, 248668), (749, 242360), (830, 218708), (856, 212065), (1022, 177620), (1070, 169652), (1162, 156220), (1460, 124334), (1498, 121180), (1660, 109354), (2044, 88810), (2140, 84826), (2324, 78110), (2555, 71048), (2905, 62488), (2920, 62167), (2996, 60590), (3320, 54677), (3745, 48472), (4088, 44405), (4280, 42413), (4648, 39055), (5110, 35524), (5810, 31244), (5992, 30295), (6059, 29960), (7490, 24236), (7811, 23240), (8881, 20440), (10220, 17762), (11620, 15622), (12118, 14980)]