20538474480

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{49783}}^1$

素因数の和:49996

約数の個数: 160

約数和(自身を含む): 71115448320

約数和(自身を除く): 50576973840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 191, 216, 240, 270, 360, 382, 432, 540, 573, 720, 764, 955, 1080, 1146, 1528, 1719, 1910, 2160, 2292, 2865, 3056, 3438, 3820, 4584, 5157, 5730, 6876, 7640, 8595, 9168, 10314, 11460, 13752, 15280, 17190, 20628, 22920, 25785, 27504, 34380, 41256, 45840, 49783, 51570, 68760, 82512, 99566, 103140, 137520, 149349, 199132, 206280, 248915, 298698, 398264, 412560, 448047, 497830, 597396, 746745, 796528, 896094, 995660, 1194792, 1344141, 1493490, 1792188, 1991320, 2240235, 2389584, 2688282, 2986980, 3584376, 3982640, 4480470, 5376564, 5973960, 6720705, 7168752, 8960940, 9508553, 10753128, 11947920, 13441410, 17921880, 19017106, 21506256, 26882820, 28525659, 35843760, 38034212, 47542765, 53765640, 57051318, 76068424, 85576977, 95085530, 107531280, 114102636, 142628295, 152136848, 171153954, 190171060, 228205272, 256730931, 285256590, 342307908, 380342120, 427884885, 456410544, 513461862, 570513180, 684615816, 760684240, 855769770, 1026923724, 1141026360, 1283654655, 1369231632, 1711539540, 2053847448, 2282052720, 2567309310, 3423079080, 4107694896, 5134618620, 6846158160, 10269237240, 20538474480]

約数ペア:

[(1, 20538474480), (2, 10269237240), (3, 6846158160), (4, 5134618620), (5, 4107694896), (6, 3423079080), (8, 2567309310), (9, 2282052720), (10, 2053847448), (12, 1711539540), (15, 1369231632), (16, 1283654655), (18, 1141026360), (20, 1026923724), (24, 855769770), (27, 760684240), (30, 684615816), (36, 570513180), (40, 513461862), (45, 456410544), (48, 427884885), (54, 380342120), (60, 342307908), (72, 285256590), (80, 256730931), (90, 228205272), (108, 190171060), (120, 171153954), (135, 152136848), (144, 142628295), (180, 114102636), (191, 107531280), (216, 95085530), (240, 85576977), (270, 76068424), (360, 57051318), (382, 53765640), (432, 47542765), (540, 38034212), (573, 35843760), (720, 28525659), (764, 26882820), (955, 21506256), (1080, 19017106), (1146, 17921880), (1528, 13441410), (1719, 11947920), (1910, 10753128), (2160, 9508553), (2292, 8960940), (2865, 7168752), (3056, 6720705), (3438, 5973960), (3820, 5376564), (4584, 4480470), (5157, 3982640), (5730, 3584376), (6876, 2986980), (7640, 2688282), (8595, 2389584), (9168, 2240235), (10314, 1991320), (11460, 1792188), (13752, 1493490), (15280, 1344141), (17190, 1194792), (20628, 995660), (22920, 896094), (25785, 796528), (27504, 746745), (34380, 597396), (41256, 497830), (45840, 448047), (49783, 412560), (51570, 398264), (68760, 298698), (82512, 248915), (99566, 206280), (103140, 199132), (137520, 149349)]