19910021760

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{150287}}^1$

素因数の和:150335

約数の個数: 192

約数和(自身を含む): 71741479680

約数和(自身を除く): 51831457920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 128, 138, 144, 160, 180, 184, 192, 207, 230, 240, 276, 288, 320, 345, 360, 368, 384, 414, 460, 480, 552, 576, 640, 690, 720, 736, 828, 920, 960, 1035, 1104, 1152, 1380, 1440, 1472, 1656, 1840, 1920, 2070, 2208, 2760, 2880, 2944, 3312, 3680, 4140, 4416, 5520, 5760, 6624, 7360, 8280, 8832, 11040, 13248, 14720, 16560, 22080, 26496, 33120, 44160, 66240, 132480, 150287, 300574, 450861, 601148, 751435, 901722, 1202296, 1352583, 1502870, 1803444, 2254305, 2404592, 2705166, 3005740, 3456601, 3606888, 4508610, 4809184, 5410332, 6011480, 6762915, 6913202, 7213776, 9017220, 9618368, 10369803, 10820664, 12022960, 13525830, 13826404, 14427552, 17283005, 18034440, 19236736, 20739606, 21641328, 24045920, 27051660, 27652808, 28855104, 31109409, 34566010, 36068880, 41479212, 43282656, 48091840, 51849015, 54103320, 55305616, 57710208, 62218818, 69132020, 72137760, 82958424, 86565312, 96183680, 103698030, 108206640, 110611232, 124437636, 138264040, 144275520, 155547045, 165916848, 173130624, 207396060, 216413280, 221222464, 248875272, 276528080, 288551040, 311094090, 331833696, 414792120, 432826560, 442444928, 497750544, 553056160, 622188180, 663667392, 829584240, 865653120, 995501088, 1106112320, 1244376360, 1327334784, 1659168480, 1991002176, 2212224640, 2488752720, 3318336960, 3982004352, 4977505440, 6636673920, 9955010880, 19910021760]

約数ペア:

[(1, 19910021760), (2, 9955010880), (3, 6636673920), (4, 4977505440), (5, 3982004352), (6, 3318336960), (8, 2488752720), (9, 2212224640), (10, 1991002176), (12, 1659168480), (15, 1327334784), (16, 1244376360), (18, 1106112320), (20, 995501088), (23, 865653120), (24, 829584240), (30, 663667392), (32, 622188180), (36, 553056160), (40, 497750544), (45, 442444928), (46, 432826560), (48, 414792120), (60, 331833696), (64, 311094090), (69, 288551040), (72, 276528080), (80, 248875272), (90, 221222464), (92, 216413280), (96, 207396060), (115, 173130624), (120, 165916848), (128, 155547045), (138, 144275520), (144, 138264040), (160, 124437636), (180, 110611232), (184, 108206640), (192, 103698030), (207, 96183680), (230, 86565312), (240, 82958424), (276, 72137760), (288, 69132020), (320, 62218818), (345, 57710208), (360, 55305616), (368, 54103320), (384, 51849015), (414, 48091840), (460, 43282656), (480, 41479212), (552, 36068880), (576, 34566010), (640, 31109409), (690, 28855104), (720, 27652808), (736, 27051660), (828, 24045920), (920, 21641328), (960, 20739606), (1035, 19236736), (1104, 18034440), (1152, 17283005), (1380, 14427552), (1440, 13826404), (1472, 13525830), (1656, 12022960), (1840, 10820664), (1920, 10369803), (2070, 9618368), (2208, 9017220), (2760, 7213776), (2880, 6913202), (2944, 6762915), (3312, 6011480), (3680, 5410332), (4140, 4809184), (4416, 4508610), (5520, 3606888), (5760, 3456601), (6624, 3005740), (7360, 2705166), (8280, 2404592), (8832, 2254305), (11040, 1803444), (13248, 1502870), (14720, 1352583), (16560, 1202296), (22080, 901722), (26496, 751435), (33120, 601148), (44160, 450861), (66240, 300574), (132480, 150287)]