1221246720

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{11779}}^1$

素因数の和:11812

約数の個数: 180

約数和(自身を含む): 4370215080

約数和(自身を除く): 3148968360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1080, 1152, 1280, 1296, 1440, 1620, 1728, 1920, 2160, 2304, 2592, 2880, 3240, 3456, 3840, 4320, 5184, 5760, 6480, 6912, 8640, 10368, 11520, 11779, 12960, 17280, 20736, 23558, 25920, 34560, 35337, 47116, 51840, 58895, 70674, 94232, 103680, 106011, 117790, 141348, 176685, 188464, 212022, 235580, 282696, 318033, 353370, 376928, 424044, 471160, 530055, 565392, 636066, 706740, 753856, 848088, 942320, 954099, 1060110, 1130784, 1272132, 1413480, 1507712, 1590165, 1696176, 1884640, 1908198, 2120220, 2261568, 2544264, 2826960, 3015424, 3180330, 3392352, 3769280, 3816396, 4240440, 4523136, 4770495, 5088528, 5653920, 6360660, 6784704, 7538560, 7632792, 8480880, 9046272, 9540990, 10177056, 11307840, 12721320, 13569408, 15077120, 15265584, 16961760, 19081980, 20354112, 22615680, 25442640, 27138816, 30531168, 33923520, 38163960, 40708224, 45231360, 50885280, 61062336, 67847040, 76327920, 81416448, 101770560, 122124672, 135694080, 152655840, 203541120, 244249344, 305311680, 407082240, 610623360, 1221246720]

約数ペア:

[(1, 1221246720), (2, 610623360), (3, 407082240), (4, 305311680), (5, 244249344), (6, 203541120), (8, 152655840), (9, 135694080), (10, 122124672), (12, 101770560), (15, 81416448), (16, 76327920), (18, 67847040), (20, 61062336), (24, 50885280), (27, 45231360), (30, 40708224), (32, 38163960), (36, 33923520), (40, 30531168), (45, 27138816), (48, 25442640), (54, 22615680), (60, 20354112), (64, 19081980), (72, 16961760), (80, 15265584), (81, 15077120), (90, 13569408), (96, 12721320), (108, 11307840), (120, 10177056), (128, 9540990), (135, 9046272), (144, 8480880), (160, 7632792), (162, 7538560), (180, 6784704), (192, 6360660), (216, 5653920), (240, 5088528), (256, 4770495), (270, 4523136), (288, 4240440), (320, 3816396), (324, 3769280), (360, 3392352), (384, 3180330), (405, 3015424), (432, 2826960), (480, 2544264), (540, 2261568), (576, 2120220), (640, 1908198), (648, 1884640), (720, 1696176), (768, 1590165), (810, 1507712), (864, 1413480), (960, 1272132), (1080, 1130784), (1152, 1060110), (1280, 954099), (1296, 942320), (1440, 848088), (1620, 753856), (1728, 706740), (1920, 636066), (2160, 565392), (2304, 530055), (2592, 471160), (2880, 424044), (3240, 376928), (3456, 353370), (3840, 318033), (4320, 282696), (5184, 235580), (5760, 212022), (6480, 188464), (6912, 176685), (8640, 141348), (10368, 117790), (11520, 106011), (11779, 103680), (12960, 94232), (17280, 70674), (20736, 58895), (23558, 51840), (25920, 47116), (34560, 35337)]