20131218000

素因数分解:

$2^4\times 3^2\times 5^3\times {\mathrm{307}}^1\times {\mathrm{3643}}^1$

素因数の和:3979

約数の個数: 240

約数和(自身を含む): 70560025536

約数和(自身を除く): 50428807536

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 125, 144, 150, 180, 200, 225, 240, 250, 300, 307, 360, 375, 400, 450, 500, 600, 614, 720, 750, 900, 921, 1000, 1125, 1200, 1228, 1500, 1535, 1800, 1842, 2000, 2250, 2456, 2763, 3000, 3070, 3600, 3643, 3684, 4500, 4605, 4912, 5526, 6000, 6140, 7286, 7368, 7675, 9000, 9210, 10929, 11052, 12280, 13815, 14572, 14736, 15350, 18000, 18215, 18420, 21858, 22104, 23025, 24560, 27630, 29144, 30700, 32787, 36430, 36840, 38375, 43716, 44208, 46050, 54645, 55260, 58288, 61400, 65574, 69075, 72860, 73680, 76750, 87432, 91075, 92100, 109290, 110520, 115125, 122800, 131148, 138150, 145720, 153500, 163935, 174864, 182150, 184200, 218580, 221040, 230250, 262296, 273225, 276300, 291440, 307000, 327870, 345375, 364300, 368400, 437160, 455375, 460500, 524592, 546450, 552600, 614000, 655740, 690750, 728600, 819675, 874320, 910750, 921000, 1092900, 1105200, 1118401, 1311480, 1366125, 1381500, 1457200, 1639350, 1821500, 1842000, 2185800, 2236802, 2622960, 2732250, 2763000, 3278700, 3355203, 3643000, 4098375, 4371600, 4473604, 5464500, 5526000, 5592005, 6557400, 6710406, 7286000, 8196750, 8947208, 10065609, 10929000, 11184010, 13114800, 13420812, 16393500, 16776015, 17894416, 20131218, 21858000, 22368020, 26841624, 27960025, 32787000, 33552030, 40262436, 44736040, 50328045, 53683248, 55920050, 65574000, 67104060, 80524872, 83880075, 89472080, 100656090, 111840100, 134208120, 139800125, 161049744, 167760150, 201312180, 223680200, 251640225, 268416240, 279600250, 335520300, 402624360, 419400375, 447360400, 503280450, 559200500, 671040600, 805248720, 838800750, 1006560900, 1118401000, 1258201125, 1342081200, 1677601500, 2013121800, 2236802000, 2516402250, 3355203000, 4026243600, 5032804500, 6710406000, 10065609000, 20131218000]

約数ペア:

[(1, 20131218000), (2, 10065609000), (3, 6710406000), (4, 5032804500), (5, 4026243600), (6, 3355203000), (8, 2516402250), (9, 2236802000), (10, 2013121800), (12, 1677601500), (15, 1342081200), (16, 1258201125), (18, 1118401000), (20, 1006560900), (24, 838800750), (25, 805248720), (30, 671040600), (36, 559200500), (40, 503280450), (45, 447360400), (48, 419400375), (50, 402624360), (60, 335520300), (72, 279600250), (75, 268416240), (80, 251640225), (90, 223680200), (100, 201312180), (120, 167760150), (125, 161049744), (144, 139800125), (150, 134208120), (180, 111840100), (200, 100656090), (225, 89472080), (240, 83880075), (250, 80524872), (300, 67104060), (307, 65574000), (360, 55920050), (375, 53683248), (400, 50328045), (450, 44736040), (500, 40262436), (600, 33552030), (614, 32787000), (720, 27960025), (750, 26841624), (900, 22368020), (921, 21858000), (1000, 20131218), (1125, 17894416), (1200, 16776015), (1228, 16393500), (1500, 13420812), (1535, 13114800), (1800, 11184010), (1842, 10929000), (2000, 10065609), (2250, 8947208), (2456, 8196750), (2763, 7286000), (3000, 6710406), (3070, 6557400), (3600, 5592005), (3643, 5526000), (3684, 5464500), (4500, 4473604), (4605, 4371600), (4912, 4098375), (5526, 3643000), (6000, 3355203), (6140, 3278700), (7286, 2763000), (7368, 2732250), (7675, 2622960), (9000, 2236802), (9210, 2185800), (10929, 1842000), (11052, 1821500), (12280, 1639350), (13815, 1457200), (14572, 1381500), (14736, 1366125), (15350, 1311480), (18000, 1118401), (18215, 1105200), (18420, 1092900), (21858, 921000), (22104, 910750), (23025, 874320), (24560, 819675), (27630, 728600), (29144, 690750), (30700, 655740), (32787, 614000), (36430, 552600), (36840, 546450), (38375, 524592), (43716, 460500), (44208, 455375), (46050, 437160), (54645, 368400), (55260, 364300), (58288, 345375), (61400, 327870), (65574, 307000), (69075, 291440), (72860, 276300), (73680, 273225), (76750, 262296), (87432, 230250), (91075, 221040), (92100, 218580), (109290, 184200), (110520, 182150), (115125, 174864), (122800, 163935), (131148, 153500), (138150, 145720)]