81948375040

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{15661}}^1$

素因数の和:15768

約数の個数: 192

約数和(自身を含む): 227810681280

約数和(自身を除く): 145862306240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 224, 256, 280, 292, 320, 365, 448, 511, 512, 560, 584, 640, 730, 896, 1022, 1024, 1120, 1168, 1280, 1460, 1792, 2044, 2048, 2240, 2336, 2555, 2560, 2920, 3584, 4088, 4480, 4672, 5110, 5120, 5840, 7168, 8176, 8960, 9344, 10220, 10240, 11680, 14336, 15661, 16352, 17920, 18688, 20440, 23360, 31322, 32704, 35840, 37376, 40880, 46720, 62644, 65408, 71680, 74752, 78305, 81760, 93440, 109627, 125288, 130816, 149504, 156610, 163520, 186880, 219254, 250576, 261632, 313220, 327040, 373760, 438508, 501152, 523264, 548135, 626440, 654080, 747520, 877016, 1002304, 1046528, 1096270, 1143253, 1252880, 1308160, 1754032, 2004608, 2192540, 2286506, 2505760, 2616320, 3508064, 4009216, 4385080, 4573012, 5011520, 5232640, 5716265, 7016128, 8002771, 8018432, 8770160, 9146024, 10023040, 11432530, 14032256, 16005542, 16036864, 17540320, 18292048, 20046080, 22865060, 28064512, 32011084, 32073728, 35080640, 36584096, 40013855, 40092160, 45730120, 56129024, 64022168, 70161280, 73168192, 80027710, 80184320, 91460240, 112258048, 128044336, 140322560, 146336384, 160055420, 160368640, 182920480, 224516096, 256088672, 280645120, 292672768, 320110840, 365840960, 512177344, 561290240, 585345536, 640221680, 731681920, 1024354688, 1122580480, 1170691072, 1280443360, 1463363840, 2048709376, 2341382144, 2560886720, 2926727680, 4097418752, 5121773440, 5853455360, 8194837504, 10243546880, 11706910720, 16389675008, 20487093760, 40974187520, 81948375040]

約数ペア:

[(1, 81948375040), (2, 40974187520), (4, 20487093760), (5, 16389675008), (7, 11706910720), (8, 10243546880), (10, 8194837504), (14, 5853455360), (16, 5121773440), (20, 4097418752), (28, 2926727680), (32, 2560886720), (35, 2341382144), (40, 2048709376), (56, 1463363840), (64, 1280443360), (70, 1170691072), (73, 1122580480), (80, 1024354688), (112, 731681920), (128, 640221680), (140, 585345536), (146, 561290240), (160, 512177344), (224, 365840960), (256, 320110840), (280, 292672768), (292, 280645120), (320, 256088672), (365, 224516096), (448, 182920480), (511, 160368640), (512, 160055420), (560, 146336384), (584, 140322560), (640, 128044336), (730, 112258048), (896, 91460240), (1022, 80184320), (1024, 80027710), (1120, 73168192), (1168, 70161280), (1280, 64022168), (1460, 56129024), (1792, 45730120), (2044, 40092160), (2048, 40013855), (2240, 36584096), (2336, 35080640), (2555, 32073728), (2560, 32011084), (2920, 28064512), (3584, 22865060), (4088, 20046080), (4480, 18292048), (4672, 17540320), (5110, 16036864), (5120, 16005542), (5840, 14032256), (7168, 11432530), (8176, 10023040), (8960, 9146024), (9344, 8770160), (10220, 8018432), (10240, 8002771), (11680, 7016128), (14336, 5716265), (15661, 5232640), (16352, 5011520), (17920, 4573012), (18688, 4385080), (20440, 4009216), (23360, 3508064), (31322, 2616320), (32704, 2505760), (35840, 2286506), (37376, 2192540), (40880, 2004608), (46720, 1754032), (62644, 1308160), (65408, 1252880), (71680, 1143253), (74752, 1096270), (78305, 1046528), (81760, 1002304), (93440, 877016), (109627, 747520), (125288, 654080), (130816, 626440), (149504, 548135), (156610, 523264), (163520, 501152), (186880, 438508), (219254, 373760), (250576, 327040), (261632, 313220)]