15661793680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{350219}}^1$

素因数の和:350288

約数の個数: 80

約数和(自身を含む): 40126806720

約数和(自身を除く): 24465013040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1720, 2236, 2795, 3440, 4472, 5590, 8944, 11180, 22360, 44720, 350219, 700438, 1400876, 1751095, 2801752, 3502190, 4552847, 5603504, 7004380, 9105694, 14008760, 15059417, 18211388, 22764235, 28017520, 30118834, 36422776, 45528470, 60237668, 72845552, 75297085, 91056940, 120475336, 150594170, 182113880, 195772421, 240950672, 301188340, 364227760, 391544842, 602376680, 783089684, 978862105, 1204753360, 1566179368, 1957724210, 3132358736, 3915448420, 7830896840, 15661793680]

約数ペア:

[(1, 15661793680), (2, 7830896840), (4, 3915448420), (5, 3132358736), (8, 1957724210), (10, 1566179368), (13, 1204753360), (16, 978862105), (20, 783089684), (26, 602376680), (40, 391544842), (43, 364227760), (52, 301188340), (65, 240950672), (80, 195772421), (86, 182113880), (104, 150594170), (130, 120475336), (172, 91056940), (208, 75297085), (215, 72845552), (260, 60237668), (344, 45528470), (430, 36422776), (520, 30118834), (559, 28017520), (688, 22764235), (860, 18211388), (1040, 15059417), (1118, 14008760), (1720, 9105694), (2236, 7004380), (2795, 5603504), (3440, 4552847), (4472, 3502190), (5590, 2801752), (8944, 1751095), (11180, 1400876), (22360, 700438), (44720, 350219)]