21521698080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{90947}}^1$

素因数の和:91011

約数の個数: 192

約数和(自身を含む): 74257223040

約数和(自身を除く): 52735524960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 29, 30, 32, 34, 40, 48, 51, 58, 60, 68, 80, 85, 87, 96, 102, 116, 120, 136, 145, 160, 170, 174, 204, 232, 240, 255, 272, 290, 340, 348, 408, 435, 464, 480, 493, 510, 544, 580, 680, 696, 816, 870, 928, 986, 1020, 1160, 1360, 1392, 1479, 1632, 1740, 1972, 2040, 2320, 2465, 2720, 2784, 2958, 3480, 3944, 4080, 4640, 4930, 5916, 6960, 7395, 7888, 8160, 9860, 11832, 13920, 14790, 15776, 19720, 23664, 29580, 39440, 47328, 59160, 78880, 90947, 118320, 181894, 236640, 272841, 363788, 454735, 545682, 727576, 909470, 1091364, 1364205, 1455152, 1546099, 1818940, 2182728, 2637463, 2728410, 2910304, 3092198, 3637880, 4365456, 4638297, 5274926, 5456820, 6184396, 7275760, 7730495, 7912389, 8730912, 9276594, 10549852, 10913640, 12368792, 13187315, 14551520, 15460990, 15824778, 18553188, 21099704, 21827280, 23191485, 24737584, 26374630, 30921980, 31649556, 37106376, 39561945, 42199408, 43654560, 44836871, 46382970, 49475168, 52749260, 61843960, 63299112, 74212752, 79123890, 84398816, 89673742, 92765940, 105498520, 123687920, 126598224, 134510613, 148425504, 158247780, 179347484, 185531880, 210997040, 224184355, 247375840, 253196448, 269021226, 316495560, 358694968, 371063760, 421994080, 448368710, 538042452, 632991120, 672553065, 717389936, 742127520, 896737420, 1076084904, 1265982240, 1345106130, 1434779872, 1793474840, 2152169808, 2690212260, 3586949680, 4304339616, 5380424520, 7173899360, 10760849040, 21521698080]

約数ペア:

[(1, 21521698080), (2, 10760849040), (3, 7173899360), (4, 5380424520), (5, 4304339616), (6, 3586949680), (8, 2690212260), (10, 2152169808), (12, 1793474840), (15, 1434779872), (16, 1345106130), (17, 1265982240), (20, 1076084904), (24, 896737420), (29, 742127520), (30, 717389936), (32, 672553065), (34, 632991120), (40, 538042452), (48, 448368710), (51, 421994080), (58, 371063760), (60, 358694968), (68, 316495560), (80, 269021226), (85, 253196448), (87, 247375840), (96, 224184355), (102, 210997040), (116, 185531880), (120, 179347484), (136, 158247780), (145, 148425504), (160, 134510613), (170, 126598224), (174, 123687920), (204, 105498520), (232, 92765940), (240, 89673742), (255, 84398816), (272, 79123890), (290, 74212752), (340, 63299112), (348, 61843960), (408, 52749260), (435, 49475168), (464, 46382970), (480, 44836871), (493, 43654560), (510, 42199408), (544, 39561945), (580, 37106376), (680, 31649556), (696, 30921980), (816, 26374630), (870, 24737584), (928, 23191485), (986, 21827280), (1020, 21099704), (1160, 18553188), (1360, 15824778), (1392, 15460990), (1479, 14551520), (1632, 13187315), (1740, 12368792), (1972, 10913640), (2040, 10549852), (2320, 9276594), (2465, 8730912), (2720, 7912389), (2784, 7730495), (2958, 7275760), (3480, 6184396), (3944, 5456820), (4080, 5274926), (4640, 4638297), (4930, 4365456), (5916, 3637880), (6960, 3092198), (7395, 2910304), (7888, 2728410), (8160, 2637463), (9860, 2182728), (11832, 1818940), (13920, 1546099), (14790, 1455152), (15776, 1364205), (19720, 1091364), (23664, 909470), (29580, 727576), (39440, 545682), (47328, 454735), (59160, 363788), (78880, 272841), (90947, 236640), (118320, 181894)]