328845920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 192

約数和(自身を含む): 903026880

約数和(自身を除く): 574180960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 53, 65, 76, 80, 95, 104, 106, 130, 152, 157, 160, 190, 208, 212, 247, 260, 265, 304, 314, 380, 416, 424, 494, 520, 530, 608, 628, 689, 760, 785, 848, 988, 1007, 1040, 1060, 1235, 1256, 1378, 1520, 1570, 1696, 1976, 2014, 2041, 2080, 2120, 2470, 2512, 2756, 2983, 3040, 3140, 3445, 3952, 4028, 4082, 4240, 4940, 5024, 5035, 5512, 5966, 6280, 6890, 7904, 8056, 8164, 8321, 8480, 9880, 10070, 10205, 11024, 11932, 12560, 13091, 13780, 14915, 16112, 16328, 16642, 19760, 20140, 20410, 22048, 23864, 25120, 26182, 27560, 29830, 32224, 32656, 33284, 38779, 39520, 40280, 40820, 41605, 47728, 52364, 55120, 59660, 65312, 65455, 66568, 77558, 80560, 81640, 83210, 95456, 104728, 108173, 110240, 119320, 130910, 133136, 155116, 158099, 161120, 163280, 166420, 193895, 209456, 216346, 238640, 261820, 266272, 310232, 316198, 326560, 332840, 387790, 418912, 432692, 477280, 523640, 540865, 620464, 632396, 665680, 775580, 790495, 865384, 1047280, 1081730, 1240928, 1264792, 1331360, 1551160, 1580990, 1730768, 2055287, 2094560, 2163460, 2529584, 3102320, 3161980, 3461536, 4110574, 4326920, 5059168, 6204640, 6323960, 8221148, 8653840, 10276435, 12647920, 16442296, 17307680, 20552870, 25295840, 32884592, 41105740, 65769184, 82211480, 164422960, 328845920]

約数ペア:

[(1, 328845920), (2, 164422960), (4, 82211480), (5, 65769184), (8, 41105740), (10, 32884592), (13, 25295840), (16, 20552870), (19, 17307680), (20, 16442296), (26, 12647920), (32, 10276435), (38, 8653840), (40, 8221148), (52, 6323960), (53, 6204640), (65, 5059168), (76, 4326920), (80, 4110574), (95, 3461536), (104, 3161980), (106, 3102320), (130, 2529584), (152, 2163460), (157, 2094560), (160, 2055287), (190, 1730768), (208, 1580990), (212, 1551160), (247, 1331360), (260, 1264792), (265, 1240928), (304, 1081730), (314, 1047280), (380, 865384), (416, 790495), (424, 775580), (494, 665680), (520, 632396), (530, 620464), (608, 540865), (628, 523640), (689, 477280), (760, 432692), (785, 418912), (848, 387790), (988, 332840), (1007, 326560), (1040, 316198), (1060, 310232), (1235, 266272), (1256, 261820), (1378, 238640), (1520, 216346), (1570, 209456), (1696, 193895), (1976, 166420), (2014, 163280), (2041, 161120), (2080, 158099), (2120, 155116), (2470, 133136), (2512, 130910), (2756, 119320), (2983, 110240), (3040, 108173), (3140, 104728), (3445, 95456), (3952, 83210), (4028, 81640), (4082, 80560), (4240, 77558), (4940, 66568), (5024, 65455), (5035, 65312), (5512, 59660), (5966, 55120), (6280, 52364), (6890, 47728), (7904, 41605), (8056, 40820), (8164, 40280), (8321, 39520), (8480, 38779), (9880, 33284), (10070, 32656), (10205, 32224), (11024, 29830), (11932, 27560), (12560, 26182), (13091, 25120), (13780, 23864), (14915, 22048), (16112, 20410), (16328, 20140), (16642, 19760)]