20121635880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{13099}}^1$

素因数の和:13384

約数の個数: 192

約数和(自身を含む): 69523272000

約数和(自身を除く): 49401636120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 251, 255, 306, 340, 360, 408, 502, 510, 612, 680, 753, 765, 1004, 1020, 1224, 1255, 1506, 1530, 2008, 2040, 2259, 2510, 3012, 3060, 3765, 4267, 4518, 5020, 6024, 6120, 7530, 8534, 9036, 10040, 11295, 12801, 13099, 15060, 17068, 18072, 21335, 22590, 25602, 26198, 30120, 34136, 38403, 39297, 42670, 45180, 51204, 52396, 64005, 65495, 76806, 78594, 85340, 90360, 102408, 104792, 117891, 128010, 130990, 153612, 157188, 170680, 192015, 196485, 222683, 235782, 256020, 261980, 307224, 314376, 384030, 392970, 445366, 471564, 512040, 523960, 589455, 668049, 768060, 785940, 890732, 943128, 1113415, 1178910, 1336098, 1536120, 1571880, 1781464, 2004147, 2226830, 2357820, 2672196, 3287849, 3340245, 4008294, 4453660, 4715640, 5344392, 6575698, 6680490, 8016588, 8907320, 9863547, 10020735, 13151396, 13360980, 16033176, 16439245, 19727094, 20041470, 26302792, 26721960, 29590641, 32878490, 39454188, 40082940, 49317735, 55893433, 59181282, 65756980, 78908376, 80165880, 98635470, 111786866, 118362564, 131513960, 147953205, 167680299, 197270940, 223573732, 236725128, 279467165, 295906410, 335360598, 394541880, 447147464, 503040897, 558934330, 591812820, 670721196, 838401495, 1006081794, 1117868660, 1183625640, 1341442392, 1676802990, 2012163588, 2235737320, 2515204485, 3353605980, 4024327176, 5030408970, 6707211960, 10060817940, 20121635880]

約数ペア:

[(1, 20121635880), (2, 10060817940), (3, 6707211960), (4, 5030408970), (5, 4024327176), (6, 3353605980), (8, 2515204485), (9, 2235737320), (10, 2012163588), (12, 1676802990), (15, 1341442392), (17, 1183625640), (18, 1117868660), (20, 1006081794), (24, 838401495), (30, 670721196), (34, 591812820), (36, 558934330), (40, 503040897), (45, 447147464), (51, 394541880), (60, 335360598), (68, 295906410), (72, 279467165), (85, 236725128), (90, 223573732), (102, 197270940), (120, 167680299), (136, 147953205), (153, 131513960), (170, 118362564), (180, 111786866), (204, 98635470), (251, 80165880), (255, 78908376), (306, 65756980), (340, 59181282), (360, 55893433), (408, 49317735), (502, 40082940), (510, 39454188), (612, 32878490), (680, 29590641), (753, 26721960), (765, 26302792), (1004, 20041470), (1020, 19727094), (1224, 16439245), (1255, 16033176), (1506, 13360980), (1530, 13151396), (2008, 10020735), (2040, 9863547), (2259, 8907320), (2510, 8016588), (3012, 6680490), (3060, 6575698), (3765, 5344392), (4267, 4715640), (4518, 4453660), (5020, 4008294), (6024, 3340245), (6120, 3287849), (7530, 2672196), (8534, 2357820), (9036, 2226830), (10040, 2004147), (11295, 1781464), (12801, 1571880), (13099, 1536120), (15060, 1336098), (17068, 1178910), (18072, 1113415), (21335, 943128), (22590, 890732), (25602, 785940), (26198, 768060), (30120, 668049), (34136, 589455), (38403, 523960), (39297, 512040), (42670, 471564), (45180, 445366), (51204, 392970), (52396, 384030), (64005, 314376), (65495, 307224), (76806, 261980), (78594, 256020), (85340, 235782), (90360, 222683), (102408, 196485), (104792, 192015), (117891, 170680), (128010, 157188), (130990, 153612)]