1657377920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{5009}}^1$

素因数の和:5086

約数の個数: 128

約数和(自身を含む): 4415212800

約数和(自身を除く): 2757834880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 64, 80, 88, 94, 110, 128, 160, 176, 188, 220, 235, 320, 352, 376, 440, 470, 517, 640, 704, 752, 880, 940, 1034, 1408, 1504, 1760, 1880, 2068, 2585, 3008, 3520, 3760, 4136, 5009, 5170, 6016, 7040, 7520, 8272, 10018, 10340, 15040, 16544, 20036, 20680, 25045, 30080, 33088, 40072, 41360, 50090, 55099, 66176, 80144, 82720, 100180, 110198, 160288, 165440, 200360, 220396, 235423, 275495, 320576, 330880, 400720, 440792, 470846, 550990, 641152, 801440, 881584, 941692, 1101980, 1177115, 1602880, 1763168, 1883384, 2203960, 2354230, 2589653, 3205760, 3526336, 3766768, 4407920, 4708460, 5179306, 7052672, 7533536, 8815840, 9416920, 10358612, 12948265, 15067072, 17631680, 18833840, 20717224, 25896530, 30134144, 35263360, 37667680, 41434448, 51793060, 75335360, 82868896, 103586120, 150670720, 165737792, 207172240, 331475584, 414344480, 828688960, 1657377920]

約数ペア:

[(1, 1657377920), (2, 828688960), (4, 414344480), (5, 331475584), (8, 207172240), (10, 165737792), (11, 150670720), (16, 103586120), (20, 82868896), (22, 75335360), (32, 51793060), (40, 41434448), (44, 37667680), (47, 35263360), (55, 30134144), (64, 25896530), (80, 20717224), (88, 18833840), (94, 17631680), (110, 15067072), (128, 12948265), (160, 10358612), (176, 9416920), (188, 8815840), (220, 7533536), (235, 7052672), (320, 5179306), (352, 4708460), (376, 4407920), (440, 3766768), (470, 3526336), (517, 3205760), (640, 2589653), (704, 2354230), (752, 2203960), (880, 1883384), (940, 1763168), (1034, 1602880), (1408, 1177115), (1504, 1101980), (1760, 941692), (1880, 881584), (2068, 801440), (2585, 641152), (3008, 550990), (3520, 470846), (3760, 440792), (4136, 400720), (5009, 330880), (5170, 320576), (6016, 275495), (7040, 235423), (7520, 220396), (8272, 200360), (10018, 165440), (10340, 160288), (15040, 110198), (16544, 100180), (20036, 82720), (20680, 80144), (25045, 66176), (30080, 55099), (33088, 50090), (40072, 41360)]