20870982720

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{345089}}^1$

素因数の和:345122

約数の個数: 224

約数和(自身を含む): 84146745600

約数和(自身を除く): 63275762880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 672, 720, 756, 840, 864, 945, 960, 1008, 1080, 1120, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 2016, 2160, 2240, 2520, 2880, 3024, 3360, 3780, 4032, 4320, 5040, 6048, 6720, 7560, 8640, 10080, 12096, 15120, 20160, 30240, 60480, 345089, 690178, 1035267, 1380356, 1725445, 2070534, 2415623, 2760712, 3105801, 3450890, 4141068, 4831246, 5176335, 5521424, 6211602, 6901780, 7246869, 8282136, 9317403, 9662492, 10352670, 11042848, 12078115, 12423204, 13803560, 14493738, 15529005, 16564272, 18634806, 19324984, 20705340, 21740607, 22085696, 24156230, 24846408, 27607120, 28987476, 31058010, 33128544, 36234345, 37269612, 38649968, 41410680, 43481214, 46587015, 48312460, 49692816, 55214240, 57974952, 62116020, 65221821, 66257088, 72468690, 74539224, 77299936, 82821360, 86962428, 93174030, 96624920, 99385632, 108703035, 110428480, 115949904, 124232040, 130443642, 144937380, 149078448, 154599872, 165642720, 173924856, 186348060, 193249840, 198771264, 217406070, 231899808, 248464080, 260887284, 289874760, 298156896, 326109105, 331285440, 347849712, 372696120, 386499680, 434812140, 463799616, 496928160, 521774568, 579749520, 596313792, 652218210, 695699424, 745392240, 772999360, 869624280, 993856320, 1043549136, 1159499040, 1304436420, 1391398848, 1490784480, 1739248560, 2087098272, 2318998080, 2608872840, 2981568960, 3478497120, 4174196544, 5217745680, 6956994240, 10435491360, 20870982720]

約数ペア:

[(1, 20870982720), (2, 10435491360), (3, 6956994240), (4, 5217745680), (5, 4174196544), (6, 3478497120), (7, 2981568960), (8, 2608872840), (9, 2318998080), (10, 2087098272), (12, 1739248560), (14, 1490784480), (15, 1391398848), (16, 1304436420), (18, 1159499040), (20, 1043549136), (21, 993856320), (24, 869624280), (27, 772999360), (28, 745392240), (30, 695699424), (32, 652218210), (35, 596313792), (36, 579749520), (40, 521774568), (42, 496928160), (45, 463799616), (48, 434812140), (54, 386499680), (56, 372696120), (60, 347849712), (63, 331285440), (64, 326109105), (70, 298156896), (72, 289874760), (80, 260887284), (84, 248464080), (90, 231899808), (96, 217406070), (105, 198771264), (108, 193249840), (112, 186348060), (120, 173924856), (126, 165642720), (135, 154599872), (140, 149078448), (144, 144937380), (160, 130443642), (168, 124232040), (180, 115949904), (189, 110428480), (192, 108703035), (210, 99385632), (216, 96624920), (224, 93174030), (240, 86962428), (252, 82821360), (270, 77299936), (280, 74539224), (288, 72468690), (315, 66257088), (320, 65221821), (336, 62116020), (360, 57974952), (378, 55214240), (420, 49692816), (432, 48312460), (448, 46587015), (480, 43481214), (504, 41410680), (540, 38649968), (560, 37269612), (576, 36234345), (630, 33128544), (672, 31058010), (720, 28987476), (756, 27607120), (840, 24846408), (864, 24156230), (945, 22085696), (960, 21740607), (1008, 20705340), (1080, 19324984), (1120, 18634806), (1260, 16564272), (1344, 15529005), (1440, 14493738), (1512, 13803560), (1680, 12423204), (1728, 12078115), (1890, 11042848), (2016, 10352670), (2160, 9662492), (2240, 9317403), (2520, 8282136), (2880, 7246869), (3024, 6901780), (3360, 6211602), (3780, 5521424), (4032, 5176335), (4320, 4831246), (5040, 4141068), (6048, 3450890), (6720, 3105801), (7560, 2760712), (8640, 2415623), (10080, 2070534), (12096, 1725445), (15120, 1380356), (20160, 1035267), (30240, 690178), (60480, 345089)]