128480220

素因数分解:

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

素因数の和:401

約数の個数: 216

約数和(自身を含む): 454879152

約数和(自身を除く): 326398932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 30, 33, 34, 36, 44, 45, 51, 55, 60, 66, 68, 85, 90, 99, 102, 110, 121, 132, 153, 165, 170, 180, 187, 198, 204, 220, 242, 255, 306, 330, 340, 347, 363, 374, 396, 484, 495, 510, 561, 605, 612, 660, 694, 726, 748, 765, 935, 990, 1020, 1041, 1089, 1122, 1210, 1388, 1452, 1530, 1683, 1735, 1815, 1870, 1980, 2057, 2082, 2178, 2244, 2420, 2805, 3060, 3123, 3366, 3470, 3630, 3740, 3817, 4114, 4164, 4356, 5205, 5445, 5610, 5899, 6171, 6246, 6732, 6940, 7260, 7634, 8228, 8415, 10285, 10410, 10890, 11220, 11451, 11798, 12342, 12492, 15268, 15615, 16830, 17697, 18513, 19085, 20570, 20820, 21780, 22902, 23596, 24684, 29495, 30855, 31230, 33660, 34353, 35394, 37026, 38170, 41140, 41987, 45804, 53091, 57255, 58990, 61710, 62460, 64889, 68706, 70788, 74052, 76340, 83974, 88485, 92565, 106182, 114510, 117980, 123420, 125961, 129778, 137412, 167948, 171765, 176970, 185130, 194667, 209935, 212364, 229020, 251922, 259556, 265455, 324445, 343530, 353940, 370260, 377883, 389334, 419870, 503844, 530910, 584001, 629805, 648890, 687060, 713779, 755766, 778668, 839740, 973335, 1061820, 1168002, 1259610, 1297780, 1427558, 1511532, 1889415, 1946670, 2141337, 2336004, 2519220, 2855116, 2920005, 3568895, 3778830, 3893340, 4282674, 5840010, 6424011, 7137790, 7557660, 8565348, 10706685, 11680020, 12848022, 14275580, 21413370, 25696044, 32120055, 42826740, 64240110, 128480220]

約数ペア:

[(1, 128480220), (2, 64240110), (3, 42826740), (4, 32120055), (5, 25696044), (6, 21413370), (9, 14275580), (10, 12848022), (11, 11680020), (12, 10706685), (15, 8565348), (17, 7557660), (18, 7137790), (20, 6424011), (22, 5840010), (30, 4282674), (33, 3893340), (34, 3778830), (36, 3568895), (44, 2920005), (45, 2855116), (51, 2519220), (55, 2336004), (60, 2141337), (66, 1946670), (68, 1889415), (85, 1511532), (90, 1427558), (99, 1297780), (102, 1259610), (110, 1168002), (121, 1061820), (132, 973335), (153, 839740), (165, 778668), (170, 755766), (180, 713779), (187, 687060), (198, 648890), (204, 629805), (220, 584001), (242, 530910), (255, 503844), (306, 419870), (330, 389334), (340, 377883), (347, 370260), (363, 353940), (374, 343530), (396, 324445), (484, 265455), (495, 259556), (510, 251922), (561, 229020), (605, 212364), (612, 209935), (660, 194667), (694, 185130), (726, 176970), (748, 171765), (765, 167948), (935, 137412), (990, 129778), (1020, 125961), (1041, 123420), (1089, 117980), (1122, 114510), (1210, 106182), (1388, 92565), (1452, 88485), (1530, 83974), (1683, 76340), (1735, 74052), (1815, 70788), (1870, 68706), (1980, 64889), (2057, 62460), (2082, 61710), (2178, 58990), (2244, 57255), (2420, 53091), (2805, 45804), (3060, 41987), (3123, 41140), (3366, 38170), (3470, 37026), (3630, 35394), (3740, 34353), (3817, 33660), (4114, 31230), (4164, 30855), (4356, 29495), (5205, 24684), (5445, 23596), (5610, 22902), (5899, 21780), (6171, 20820), (6246, 20570), (6732, 19085), (6940, 18513), (7260, 17697), (7634, 16830), (8228, 15615), (8415, 15268), (10285, 12492), (10410, 12342), (10890, 11798), (11220, 11451)]