19911294720

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{30323}}^1$

素因数の和:30372

約数の個数: 288

約数和(自身を含む): 74378707200

約数和(自身を除く): 54467412480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 256, 270, 285, 288, 304, 320, 342, 360, 380, 384, 432, 456, 480, 513, 540, 570, 576, 608, 640, 684, 720, 760, 768, 855, 864, 912, 960, 1026, 1080, 1140, 1152, 1216, 1280, 1368, 1440, 1520, 1710, 1728, 1824, 1920, 2052, 2160, 2280, 2304, 2432, 2565, 2736, 2880, 3040, 3420, 3456, 3648, 3840, 4104, 4320, 4560, 4864, 5130, 5472, 5760, 6080, 6840, 6912, 7296, 8208, 8640, 9120, 10260, 10944, 11520, 12160, 13680, 14592, 16416, 17280, 18240, 20520, 21888, 24320, 27360, 30323, 32832, 34560, 36480, 41040, 43776, 54720, 60646, 65664, 72960, 82080, 90969, 109440, 121292, 131328, 151615, 164160, 181938, 218880, 242584, 272907, 303230, 328320, 363876, 454845, 485168, 545814, 576137, 606460, 656640, 727752, 818721, 909690, 970336, 1091628, 1152274, 1212920, 1364535, 1455504, 1637442, 1728411, 1819380, 1940672, 2183256, 2304548, 2425840, 2729070, 2880685, 2911008, 3274884, 3456822, 3638760, 3881344, 4093605, 4366512, 4609096, 4851680, 5185233, 5458140, 5761370, 5822016, 6549768, 6913644, 7277520, 7762688, 8187210, 8642055, 8733024, 9218192, 9703360, 10370466, 10916280, 11522740, 11644032, 13099536, 13827288, 14555040, 15555699, 16374420, 17284110, 17466048, 18436384, 19406720, 20740932, 21832560, 23045480, 23288064, 25926165, 26199072, 27654576, 29110080, 31111398, 32748840, 34568220, 34932096, 36872768, 38813440, 41481864, 43665120, 46090960, 51852330, 52398144, 55309152, 58220160, 62222796, 65497680, 69136440, 69864192, 73745536, 77778495, 82963728, 87330240, 92181920, 103704660, 104796288, 110618304, 116440320, 124445592, 130995360, 138272880, 147491072, 155556990, 165927456, 174660480, 184363840, 207409320, 209592576, 221236608, 248891184, 261990720, 276545760, 311113980, 331854912, 349320960, 368727680, 414818640, 442473216, 497782368, 523981440, 553091520, 622227960, 663709824, 737455360, 829637280, 995564736, 1047962880, 1106183040, 1244455920, 1327419648, 1659274560, 1991129472, 2212366080, 2488911840, 3318549120, 3982258944, 4977823680, 6637098240, 9955647360, 19911294720]

約数ペア:

[(1, 19911294720), (2, 9955647360), (3, 6637098240), (4, 4977823680), (5, 3982258944), (6, 3318549120), (8, 2488911840), (9, 2212366080), (10, 1991129472), (12, 1659274560), (15, 1327419648), (16, 1244455920), (18, 1106183040), (19, 1047962880), (20, 995564736), (24, 829637280), (27, 737455360), (30, 663709824), (32, 622227960), (36, 553091520), (38, 523981440), (40, 497782368), (45, 442473216), (48, 414818640), (54, 368727680), (57, 349320960), (60, 331854912), (64, 311113980), (72, 276545760), (76, 261990720), (80, 248891184), (90, 221236608), (95, 209592576), (96, 207409320), (108, 184363840), (114, 174660480), (120, 165927456), (128, 155556990), (135, 147491072), (144, 138272880), (152, 130995360), (160, 124445592), (171, 116440320), (180, 110618304), (190, 104796288), (192, 103704660), (216, 92181920), (228, 87330240), (240, 82963728), (256, 77778495), (270, 73745536), (285, 69864192), (288, 69136440), (304, 65497680), (320, 62222796), (342, 58220160), (360, 55309152), (380, 52398144), (384, 51852330), (432, 46090960), (456, 43665120), (480, 41481864), (513, 38813440), (540, 36872768), (570, 34932096), (576, 34568220), (608, 32748840), (640, 31111398), (684, 29110080), (720, 27654576), (760, 26199072), (768, 25926165), (855, 23288064), (864, 23045480), (912, 21832560), (960, 20740932), (1026, 19406720), (1080, 18436384), (1140, 17466048), (1152, 17284110), (1216, 16374420), (1280, 15555699), (1368, 14555040), (1440, 13827288), (1520, 13099536), (1710, 11644032), (1728, 11522740), (1824, 10916280), (1920, 10370466), (2052, 9703360), (2160, 9218192), (2280, 8733024), (2304, 8642055), (2432, 8187210), (2565, 7762688), (2736, 7277520), (2880, 6913644), (3040, 6549768), (3420, 5822016), (3456, 5761370), (3648, 5458140), (3840, 5185233), (4104, 4851680), (4320, 4609096), (4560, 4366512), (4864, 4093605), (5130, 3881344), (5472, 3638760), (5760, 3456822), (6080, 3274884), (6840, 2911008), (6912, 2880685), (7296, 2729070), (8208, 2425840), (8640, 2304548), (9120, 2183256), (10260, 1940672), (10944, 1819380), (11520, 1728411), (12160, 1637442), (13680, 1455504), (14592, 1364535), (16416, 1212920), (17280, 1152274), (18240, 1091628), (20520, 970336), (21888, 909690), (24320, 818721), (27360, 727752), (30323, 656640), (32832, 606460), (34560, 576137), (36480, 545814), (41040, 485168), (43776, 454845), (54720, 363876), (60646, 328320), (65664, 303230), (72960, 272907), (82080, 242584), (90969, 218880), (109440, 181938), (121292, 164160), (131328, 151615)]