201377920

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:342

約数の個数: 128

約数和(自身を含む): 518192640

約数和(自身を除く): 316814720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 83, 85, 128, 136, 160, 166, 170, 223, 272, 320, 332, 340, 415, 446, 544, 640, 664, 680, 830, 892, 1088, 1115, 1328, 1360, 1411, 1660, 1784, 2176, 2230, 2656, 2720, 2822, 3320, 3568, 3791, 4460, 5312, 5440, 5644, 6640, 7055, 7136, 7582, 8920, 10624, 10880, 11288, 13280, 14110, 14272, 15164, 17840, 18509, 18955, 22576, 26560, 28220, 28544, 30328, 35680, 37018, 37910, 45152, 53120, 56440, 60656, 71360, 74036, 75820, 90304, 92545, 112880, 121312, 142720, 148072, 151640, 180608, 185090, 225760, 242624, 296144, 303280, 314653, 370180, 451520, 485248, 592288, 606560, 629306, 740360, 903040, 1184576, 1213120, 1258612, 1480720, 1573265, 2369152, 2426240, 2517224, 2961440, 3146530, 5034448, 5922880, 6293060, 10068896, 11845760, 12586120, 20137792, 25172240, 40275584, 50344480, 100688960, 201377920]

約数ペア:

[(1, 201377920), (2, 100688960), (4, 50344480), (5, 40275584), (8, 25172240), (10, 20137792), (16, 12586120), (17, 11845760), (20, 10068896), (32, 6293060), (34, 5922880), (40, 5034448), (64, 3146530), (68, 2961440), (80, 2517224), (83, 2426240), (85, 2369152), (128, 1573265), (136, 1480720), (160, 1258612), (166, 1213120), (170, 1184576), (223, 903040), (272, 740360), (320, 629306), (332, 606560), (340, 592288), (415, 485248), (446, 451520), (544, 370180), (640, 314653), (664, 303280), (680, 296144), (830, 242624), (892, 225760), (1088, 185090), (1115, 180608), (1328, 151640), (1360, 148072), (1411, 142720), (1660, 121312), (1784, 112880), (2176, 92545), (2230, 90304), (2656, 75820), (2720, 74036), (2822, 71360), (3320, 60656), (3568, 56440), (3791, 53120), (4460, 45152), (5312, 37910), (5440, 37018), (5644, 35680), (6640, 30328), (7055, 28544), (7136, 28220), (7582, 26560), (8920, 22576), (10624, 18955), (10880, 18509), (11288, 17840), (13280, 15164), (14110, 14272)]