217968660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1901}}^1$

素因数の和:1943

約数の個数: 216

約数和(自身を含む): 828716616

約数和(自身を除く): 610747956

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 49, 52, 60, 63, 65, 70, 78, 84, 90, 91, 98, 105, 117, 126, 130, 140, 147, 156, 180, 182, 195, 196, 210, 234, 245, 252, 260, 273, 294, 315, 364, 390, 420, 441, 455, 468, 490, 546, 585, 588, 630, 637, 735, 780, 819, 882, 910, 980, 1092, 1170, 1260, 1274, 1365, 1470, 1638, 1764, 1820, 1901, 1911, 2205, 2340, 2548, 2730, 2940, 3185, 3276, 3802, 3822, 4095, 4410, 5460, 5703, 5733, 6370, 7604, 7644, 8190, 8820, 9505, 9555, 11406, 11466, 12740, 13307, 16380, 17109, 19010, 19110, 22812, 22932, 24713, 26614, 28515, 28665, 34218, 38020, 38220, 39921, 49426, 53228, 57030, 57330, 66535, 68436, 74139, 79842, 85545, 93149, 98852, 114060, 114660, 119763, 123565, 133070, 148278, 159684, 171090, 172991, 186298, 199605, 222417, 239526, 247130, 266140, 279447, 296556, 342180, 345982, 370695, 372596, 399210, 444834, 465745, 479052, 494260, 518973, 558894, 598815, 691964, 741390, 798420, 838341, 864955, 889668, 931490, 1037946, 1112085, 1117788, 1197630, 1210937, 1397235, 1482780, 1556919, 1676682, 1729910, 1862980, 2075892, 2224170, 2395260, 2421874, 2594865, 2794470, 3113838, 3353364, 3459820, 3632811, 4191705, 4448340, 4843748, 5189730, 5588940, 6054685, 6227676, 7265622, 7784595, 8383410, 10379460, 10898433, 12109370, 14531244, 15569190, 16766820, 18164055, 21796866, 24218740, 31138380, 36328110, 43593732, 54492165, 72656220, 108984330, 217968660]

約数ペア:

[(1, 217968660), (2, 108984330), (3, 72656220), (4, 54492165), (5, 43593732), (6, 36328110), (7, 31138380), (9, 24218740), (10, 21796866), (12, 18164055), (13, 16766820), (14, 15569190), (15, 14531244), (18, 12109370), (20, 10898433), (21, 10379460), (26, 8383410), (28, 7784595), (30, 7265622), (35, 6227676), (36, 6054685), (39, 5588940), (42, 5189730), (45, 4843748), (49, 4448340), (52, 4191705), (60, 3632811), (63, 3459820), (65, 3353364), (70, 3113838), (78, 2794470), (84, 2594865), (90, 2421874), (91, 2395260), (98, 2224170), (105, 2075892), (117, 1862980), (126, 1729910), (130, 1676682), (140, 1556919), (147, 1482780), (156, 1397235), (180, 1210937), (182, 1197630), (195, 1117788), (196, 1112085), (210, 1037946), (234, 931490), (245, 889668), (252, 864955), (260, 838341), (273, 798420), (294, 741390), (315, 691964), (364, 598815), (390, 558894), (420, 518973), (441, 494260), (455, 479052), (468, 465745), (490, 444834), (546, 399210), (585, 372596), (588, 370695), (630, 345982), (637, 342180), (735, 296556), (780, 279447), (819, 266140), (882, 247130), (910, 239526), (980, 222417), (1092, 199605), (1170, 186298), (1260, 172991), (1274, 171090), (1365, 159684), (1470, 148278), (1638, 133070), (1764, 123565), (1820, 119763), (1901, 114660), (1911, 114060), (2205, 98852), (2340, 93149), (2548, 85545), (2730, 79842), (2940, 74139), (3185, 68436), (3276, 66535), (3802, 57330), (3822, 57030), (4095, 53228), (4410, 49426), (5460, 39921), (5703, 38220), (5733, 38020), (6370, 34218), (7604, 28665), (7644, 28515), (8190, 26614), (8820, 24713), (9505, 22932), (9555, 22812), (11406, 19110), (11466, 19010), (12740, 17109), (13307, 16380)]