15661480640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{87553}}^1$

素因数の和:87626

約数の個数: 112

約数和(自身を含む): 41097147168

約数和(自身を除く): 25435666528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 80, 86, 104, 130, 160, 172, 208, 215, 260, 320, 344, 416, 430, 520, 559, 688, 832, 860, 1040, 1118, 1376, 1720, 2080, 2236, 2752, 2795, 3440, 4160, 4472, 5590, 6880, 8944, 11180, 13760, 17888, 22360, 35776, 44720, 87553, 89440, 175106, 178880, 350212, 437765, 700424, 875530, 1138189, 1400848, 1751060, 2276378, 2801696, 3502120, 3764779, 4552756, 5603392, 5690945, 7004240, 7529558, 9105512, 11381890, 14008480, 15059116, 18211024, 18823895, 22763780, 28016960, 30118232, 36422048, 37647790, 45527560, 48942127, 60236464, 72844096, 75295580, 91055120, 97884254, 120472928, 150591160, 182110240, 195768508, 240945856, 244710635, 301182320, 364220480, 391537016, 489421270, 602364640, 783074032, 978842540, 1204729280, 1566148064, 1957685080, 3132296128, 3915370160, 7830740320, 15661480640]

約数ペア:

[(1, 15661480640), (2, 7830740320), (4, 3915370160), (5, 3132296128), (8, 1957685080), (10, 1566148064), (13, 1204729280), (16, 978842540), (20, 783074032), (26, 602364640), (32, 489421270), (40, 391537016), (43, 364220480), (52, 301182320), (64, 244710635), (65, 240945856), (80, 195768508), (86, 182110240), (104, 150591160), (130, 120472928), (160, 97884254), (172, 91055120), (208, 75295580), (215, 72844096), (260, 60236464), (320, 48942127), (344, 45527560), (416, 37647790), (430, 36422048), (520, 30118232), (559, 28016960), (688, 22763780), (832, 18823895), (860, 18211024), (1040, 15059116), (1118, 14008480), (1376, 11381890), (1720, 9105512), (2080, 7529558), (2236, 7004240), (2752, 5690945), (2795, 5603392), (3440, 4552756), (4160, 3764779), (4472, 3502120), (5590, 2801696), (6880, 2276378), (8944, 1751060), (11180, 1400848), (13760, 1138189), (17888, 875530), (22360, 700424), (35776, 437765), (44720, 350212), (87553, 178880), (89440, 175106)]