19783440

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 200

約数和(自身を含む): 71299008

約数和(自身を除く): 51515568

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 43, 45, 48, 54, 60, 71, 72, 80, 81, 86, 90, 108, 120, 129, 135, 142, 144, 162, 172, 180, 213, 215, 216, 240, 258, 270, 284, 324, 344, 355, 360, 387, 405, 426, 430, 432, 516, 540, 568, 639, 645, 648, 688, 710, 720, 774, 810, 852, 860, 1032, 1065, 1080, 1136, 1161, 1278, 1290, 1296, 1420, 1548, 1620, 1704, 1720, 1917, 1935, 2064, 2130, 2160, 2322, 2556, 2580, 2840, 3053, 3096, 3195, 3240, 3408, 3440, 3483, 3834, 3870, 4260, 4644, 5112, 5160, 5680, 5751, 5805, 6106, 6192, 6390, 6480, 6966, 7668, 7740, 8520, 9159, 9288, 9585, 10224, 10320, 11502, 11610, 12212, 12780, 13932, 15265, 15336, 15480, 17040, 17415, 18318, 18576, 19170, 23004, 23220, 24424, 25560, 27477, 27864, 28755, 30530, 30672, 30960, 34830, 36636, 38340, 45795, 46008, 46440, 48848, 51120, 54954, 55728, 57510, 61060, 69660, 73272, 76680, 82431, 91590, 92016, 92880, 109908, 115020, 122120, 137385, 139320, 146544, 153360, 164862, 183180, 219816, 230040, 244240, 247293, 274770, 278640, 329724, 366360, 412155, 439632, 460080, 494586, 549540, 659448, 732720, 824310, 989172, 1099080, 1236465, 1318896, 1648620, 1978344, 2198160, 2472930, 3297240, 3956688, 4945860, 6594480, 9891720, 19783440]

約数ペア:

[(1, 19783440), (2, 9891720), (3, 6594480), (4, 4945860), (5, 3956688), (6, 3297240), (8, 2472930), (9, 2198160), (10, 1978344), (12, 1648620), (15, 1318896), (16, 1236465), (18, 1099080), (20, 989172), (24, 824310), (27, 732720), (30, 659448), (36, 549540), (40, 494586), (43, 460080), (45, 439632), (48, 412155), (54, 366360), (60, 329724), (71, 278640), (72, 274770), (80, 247293), (81, 244240), (86, 230040), (90, 219816), (108, 183180), (120, 164862), (129, 153360), (135, 146544), (142, 139320), (144, 137385), (162, 122120), (172, 115020), (180, 109908), (213, 92880), (215, 92016), (216, 91590), (240, 82431), (258, 76680), (270, 73272), (284, 69660), (324, 61060), (344, 57510), (355, 55728), (360, 54954), (387, 51120), (405, 48848), (426, 46440), (430, 46008), (432, 45795), (516, 38340), (540, 36636), (568, 34830), (639, 30960), (645, 30672), (648, 30530), (688, 28755), (710, 27864), (720, 27477), (774, 25560), (810, 24424), (852, 23220), (860, 23004), (1032, 19170), (1065, 18576), (1080, 18318), (1136, 17415), (1161, 17040), (1278, 15480), (1290, 15336), (1296, 15265), (1420, 13932), (1548, 12780), (1620, 12212), (1704, 11610), (1720, 11502), (1917, 10320), (1935, 10224), (2064, 9585), (2130, 9288), (2160, 9159), (2322, 8520), (2556, 7740), (2580, 7668), (2840, 6966), (3053, 6480), (3096, 6390), (3195, 6192), (3240, 6106), (3408, 5805), (3440, 5751), (3483, 5680), (3834, 5160), (3870, 5112), (4260, 4644)]