256960440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{347}}^1$

素因数の和:403

約数の個数: 288

約数和(自身を含む): 974741040

約数和(自身を除く): 717780600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 17, 18, 20, 22, 24, 30, 33, 34, 36, 40, 44, 45, 51, 55, 60, 66, 68, 72, 85, 88, 90, 99, 102, 110, 120, 121, 132, 136, 153, 165, 170, 180, 187, 198, 204, 220, 242, 255, 264, 306, 330, 340, 347, 360, 363, 374, 396, 408, 440, 484, 495, 510, 561, 605, 612, 660, 680, 694, 726, 748, 765, 792, 935, 968, 990, 1020, 1041, 1089, 1122, 1210, 1224, 1320, 1388, 1452, 1496, 1530, 1683, 1735, 1815, 1870, 1980, 2040, 2057, 2082, 2178, 2244, 2420, 2776, 2805, 2904, 3060, 3123, 3366, 3470, 3630, 3740, 3817, 3960, 4114, 4164, 4356, 4488, 4840, 5205, 5445, 5610, 5899, 6120, 6171, 6246, 6732, 6940, 7260, 7480, 7634, 8228, 8328, 8415, 8712, 10285, 10410, 10890, 11220, 11451, 11798, 12342, 12492, 13464, 13880, 14520, 15268, 15615, 16456, 16830, 17697, 18513, 19085, 20570, 20820, 21780, 22440, 22902, 23596, 24684, 24984, 29495, 30536, 30855, 31230, 33660, 34353, 35394, 37026, 38170, 41140, 41640, 41987, 43560, 45804, 47192, 49368, 53091, 57255, 58990, 61710, 62460, 64889, 67320, 68706, 70788, 74052, 76340, 82280, 83974, 88485, 91608, 92565, 106182, 114510, 117980, 123420, 124920, 125961, 129778, 137412, 141576, 148104, 152680, 167948, 171765, 176970, 185130, 194667, 209935, 212364, 229020, 235960, 246840, 251922, 259556, 265455, 274824, 324445, 335896, 343530, 353940, 370260, 377883, 389334, 419870, 424728, 458040, 503844, 519112, 530910, 584001, 629805, 648890, 687060, 707880, 713779, 740520, 755766, 778668, 839740, 973335, 1007688, 1061820, 1168002, 1259610, 1297780, 1374120, 1427558, 1511532, 1557336, 1679480, 1889415, 1946670, 2123640, 2141337, 2336004, 2519220, 2595560, 2855116, 2920005, 3023064, 3568895, 3778830, 3893340, 4282674, 4672008, 5038440, 5710232, 5840010, 6424011, 7137790, 7557660, 7786680, 8565348, 10706685, 11680020, 12848022, 14275580, 15115320, 17130696, 21413370, 23360040, 25696044, 28551160, 32120055, 42826740, 51392088, 64240110, 85653480, 128480220, 256960440]

約数ペア:

[(1, 256960440), (2, 128480220), (3, 85653480), (4, 64240110), (5, 51392088), (6, 42826740), (8, 32120055), (9, 28551160), (10, 25696044), (11, 23360040), (12, 21413370), (15, 17130696), (17, 15115320), (18, 14275580), (20, 12848022), (22, 11680020), (24, 10706685), (30, 8565348), (33, 7786680), (34, 7557660), (36, 7137790), (40, 6424011), (44, 5840010), (45, 5710232), (51, 5038440), (55, 4672008), (60, 4282674), (66, 3893340), (68, 3778830), (72, 3568895), (85, 3023064), (88, 2920005), (90, 2855116), (99, 2595560), (102, 2519220), (110, 2336004), (120, 2141337), (121, 2123640), (132, 1946670), (136, 1889415), (153, 1679480), (165, 1557336), (170, 1511532), (180, 1427558), (187, 1374120), (198, 1297780), (204, 1259610), (220, 1168002), (242, 1061820), (255, 1007688), (264, 973335), (306, 839740), (330, 778668), (340, 755766), (347, 740520), (360, 713779), (363, 707880), (374, 687060), (396, 648890), (408, 629805), (440, 584001), (484, 530910), (495, 519112), (510, 503844), (561, 458040), (605, 424728), (612, 419870), (660, 389334), (680, 377883), (694, 370260), (726, 353940), (748, 343530), (765, 335896), (792, 324445), (935, 274824), (968, 265455), (990, 259556), (1020, 251922), (1041, 246840), (1089, 235960), (1122, 229020), (1210, 212364), (1224, 209935), (1320, 194667), (1388, 185130), (1452, 176970), (1496, 171765), (1530, 167948), (1683, 152680), (1735, 148104), (1815, 141576), (1870, 137412), (1980, 129778), (2040, 125961), (2057, 124920), (2082, 123420), (2178, 117980), (2244, 114510), (2420, 106182), (2776, 92565), (2805, 91608), (2904, 88485), (3060, 83974), (3123, 82280), (3366, 76340), (3470, 74052), (3630, 70788), (3740, 68706), (3817, 67320), (3960, 64889), (4114, 62460), (4164, 61710), (4356, 58990), (4488, 57255), (4840, 53091), (5205, 49368), (5445, 47192), (5610, 45804), (5899, 43560), (6120, 41987), (6171, 41640), (6246, 41140), (6732, 38170), (6940, 37026), (7260, 35394), (7480, 34353), (7634, 33660), (8228, 31230), (8328, 30855), (8415, 30536), (8712, 29495), (10285, 24984), (10410, 24684), (10890, 23596), (11220, 22902), (11451, 22440), (11798, 21780), (12342, 20820), (12492, 20570), (13464, 19085), (13880, 18513), (14520, 17697), (15268, 16830), (15615, 16456)]