20208979440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:183

約数の個数: 960

約数和(自身を含む): 82344729600

約数和(自身を除く): 62135750160

約数列:

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148902, 152720, 155376, 155480, 156078, 156455, 160080, 161460, 162864, 166083, 168324, 171810, 173304, 173420, 174915, 176436, 179280, 180090, 182520, 186576, 187746, 192560, 194220, 196040, 198536, 203580, 206172, 208104, 209898, 210405, 215280, 216630, 220545, 221444, 223353, 224432, 225446, 229080, 233064, 233220, 234117, 235248, 240120, 248170, 250328, 252486, 257715, 258960, 259956, 260130, 264654, 271440, 274896, 276805, 279864, 280540, 281619, 288144, 288840, 291330, 294060, 297804, 310960, 312156, 312910, 322621, 322920, 324945, 332166, 336648, 338169, 343620, 346608, 346840, 349830, 352872, 360180, 365040, 372255, 375492, 378729, 388440, 390195, 392080, 397072, 406783, 407160, 412344, 416208, 419796, 420810, 433260, 441090, 442888, 446706, 450892, 458160, 466128, 466440, 468234, 469365, 480240, 496340, 498249, 500656, 504972, 515430, 519912, 520260, 524745, 529308, 553610, 559728, 561080, 563238, 563615, 577680, 582660, 588120, 595608, 624312, 625820, 631215, 645242, 645840, 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約数ペア:

[(1, 20208979440), (2, 10104489720), (3, 6736326480), (4, 5052244860), (5, 4041795888), (6, 3368163240), (8, 2526122430), (9, 2245442160), (10, 2020897944), (12, 1684081620), (13, 1554536880), (15, 1347265296), (16, 1263061215), (18, 1122721080), (20, 1010448972), (23, 878651280), (24, 842040810), (26, 777268440), (27, 748480720), (29, 696861360), (30, 673632648), (36, 561360540), (39, 518178960), (40, 505224486), (45, 449088432), (46, 439325640), (48, 421020405), (52, 388634220), (54, 374240360), (58, 348430680), (60, 336816324), (65, 310907376), (69, 292883760), (72, 280680270), (78, 259089480), (80, 252612243), (83, 243481680), (87, 232287120), (90, 224544216), (92, 219662820), (104, 194317110), (108, 187120180), (115, 175730256), (116, 174215340), (117, 172726320), (120, 168408162), (130, 155453688), (135, 149696144), (138, 146441880), (144, 140340135), (145, 139372272), (156, 129544740), (166, 121740840), (169, 119579760), (174, 116143560), (180, 112272108), (184, 109831410), 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(115536, 174915), (116532, 173420), (116610, 173304), (117624, 171810), (120060, 168324), (121680, 166083), (124085, 162864), (125164, 161460), (126243, 160080), (129168, 156455), (129480, 156078), (129978, 155480), (130065, 155376), (132327, 152720), (135720, 148902), (137448, 147030), (138736, 145665), (139932, 144420), (140270, 144072)]