221461680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{563}}^1$

素因数の和:739

約数の個数: 160

約数和(自身を含む): 755308800

約数和(自身を除く): 533847120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 149, 165, 176, 220, 240, 264, 298, 330, 440, 447, 528, 563, 596, 660, 745, 880, 894, 1126, 1192, 1320, 1490, 1639, 1689, 1788, 2235, 2252, 2384, 2640, 2815, 2980, 3278, 3378, 3576, 4470, 4504, 4917, 5630, 5960, 6193, 6556, 6756, 7152, 8195, 8445, 8940, 9008, 9834, 11260, 11920, 12386, 13112, 13512, 16390, 16890, 17880, 18579, 19668, 22520, 24585, 24772, 26224, 27024, 30965, 32780, 33780, 35760, 37158, 39336, 45040, 49170, 49544, 61930, 65560, 67560, 74316, 78672, 83887, 92895, 98340, 99088, 123860, 131120, 135120, 148632, 167774, 185790, 196680, 247720, 251661, 297264, 335548, 371580, 393360, 419435, 495440, 503322, 671096, 743160, 838870, 922757, 1006644, 1258305, 1342192, 1486320, 1677740, 1845514, 2013288, 2516610, 2768271, 3355480, 3691028, 4026576, 4613785, 5033220, 5536542, 6710960, 7382056, 9227570, 10066440, 11073084, 13841355, 14764112, 18455140, 20132880, 22146168, 27682710, 36910280, 44292336, 55365420, 73820560, 110730840, 221461680]

約数ペア:

[(1, 221461680), (2, 110730840), (3, 73820560), (4, 55365420), (5, 44292336), (6, 36910280), (8, 27682710), (10, 22146168), (11, 20132880), (12, 18455140), (15, 14764112), (16, 13841355), (20, 11073084), (22, 10066440), (24, 9227570), (30, 7382056), (33, 6710960), (40, 5536542), (44, 5033220), (48, 4613785), (55, 4026576), (60, 3691028), (66, 3355480), (80, 2768271), (88, 2516610), (110, 2013288), (120, 1845514), (132, 1677740), (149, 1486320), (165, 1342192), (176, 1258305), (220, 1006644), (240, 922757), (264, 838870), (298, 743160), (330, 671096), (440, 503322), (447, 495440), (528, 419435), (563, 393360), (596, 371580), (660, 335548), (745, 297264), (880, 251661), (894, 247720), (1126, 196680), (1192, 185790), (1320, 167774), (1490, 148632), (1639, 135120), (1689, 131120), (1788, 123860), (2235, 99088), (2252, 98340), (2384, 92895), (2640, 83887), (2815, 78672), (2980, 74316), (3278, 67560), (3378, 65560), (3576, 61930), (4470, 49544), (4504, 49170), (4917, 45040), (5630, 39336), (5960, 37158), (6193, 35760), (6556, 33780), (6756, 32780), (7152, 30965), (8195, 27024), (8445, 26224), (8940, 24772), (9008, 24585), (9834, 22520), (11260, 19668), (11920, 18579), (12386, 17880), (13112, 16890), (13512, 16390)]