218161680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4861}}^1$

素因数の和:4905

約数の個数: 160

約数和(自身を含む): 781342848

約数和(自身を除く): 563181168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 33, 34, 40, 44, 48, 51, 55, 60, 66, 68, 80, 85, 88, 102, 110, 120, 132, 136, 165, 170, 176, 187, 204, 220, 240, 255, 264, 272, 330, 340, 374, 408, 440, 510, 528, 561, 660, 680, 748, 816, 880, 935, 1020, 1122, 1320, 1360, 1496, 1870, 2040, 2244, 2640, 2805, 2992, 3740, 4080, 4488, 4861, 5610, 7480, 8976, 9722, 11220, 14583, 14960, 19444, 22440, 24305, 29166, 38888, 44880, 48610, 53471, 58332, 72915, 77776, 82637, 97220, 106942, 116664, 145830, 160413, 165274, 194440, 213884, 233328, 247911, 267355, 291660, 320826, 330548, 388880, 413185, 427768, 495822, 534710, 583320, 641652, 661096, 802065, 826370, 855536, 909007, 991644, 1069420, 1166640, 1239555, 1283304, 1322192, 1604130, 1652740, 1818014, 1983288, 2138840, 2479110, 2566608, 2727021, 3208260, 3305480, 3636028, 3966576, 4277680, 4545035, 4958220, 5454042, 6416520, 6610960, 7272056, 9090070, 9916440, 10908084, 12833040, 13635105, 14544112, 18180140, 19832880, 21816168, 27270210, 36360280, 43632336, 54540420, 72720560, 109080840, 218161680]

約数ペア:

[(1, 218161680), (2, 109080840), (3, 72720560), (4, 54540420), (5, 43632336), (6, 36360280), (8, 27270210), (10, 21816168), (11, 19832880), (12, 18180140), (15, 14544112), (16, 13635105), (17, 12833040), (20, 10908084), (22, 9916440), (24, 9090070), (30, 7272056), (33, 6610960), (34, 6416520), (40, 5454042), (44, 4958220), (48, 4545035), (51, 4277680), (55, 3966576), (60, 3636028), (66, 3305480), (68, 3208260), (80, 2727021), (85, 2566608), (88, 2479110), (102, 2138840), (110, 1983288), (120, 1818014), (132, 1652740), (136, 1604130), (165, 1322192), (170, 1283304), (176, 1239555), (187, 1166640), (204, 1069420), (220, 991644), (240, 909007), (255, 855536), (264, 826370), (272, 802065), (330, 661096), (340, 641652), (374, 583320), (408, 534710), (440, 495822), (510, 427768), (528, 413185), (561, 388880), (660, 330548), (680, 320826), (748, 291660), (816, 267355), (880, 247911), (935, 233328), (1020, 213884), (1122, 194440), (1320, 165274), (1360, 160413), (1496, 145830), (1870, 116664), (2040, 106942), (2244, 97220), (2640, 82637), (2805, 77776), (2992, 72915), (3740, 58332), (4080, 53471), (4488, 48610), (4861, 44880), (5610, 38888), (7480, 29166), (8976, 24305), (9722, 22440), (11220, 19444), (14583, 14960)]