131220180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8011}}^1$

素因数の和:8046

約数の個数: 144

約数和(自身を含む): 489949824

約数和(自身を除く): 358729644

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8011, 8190, 16022, 16380, 24033, 32044, 40055, 48066, 56077, 72099, 80110, 96132, 104143, 112154, 120165, 144198, 160220, 168231, 208286, 224308, 240330, 280385, 288396, 312429, 336462, 360495, 416572, 480660, 504693, 520715, 560770, 624858, 672924, 720990, 729001, 841155, 937287, 1009386, 1041430, 1121540, 1249716, 1441980, 1458002, 1562145, 1682310, 1874574, 2018772, 2082860, 2187003, 2523465, 2916004, 3124290, 3364620, 3645005, 3749148, 4374006, 4686435, 5046930, 6248580, 6561009, 7290010, 8748012, 9372870, 10093860, 10935015, 13122018, 14580020, 18745740, 21870030, 26244036, 32805045, 43740060, 65610090, 131220180]

約数ペア:

[(1, 131220180), (2, 65610090), (3, 43740060), (4, 32805045), (5, 26244036), (6, 21870030), (7, 18745740), (9, 14580020), (10, 13122018), (12, 10935015), (13, 10093860), (14, 9372870), (15, 8748012), (18, 7290010), (20, 6561009), (21, 6248580), (26, 5046930), (28, 4686435), (30, 4374006), (35, 3749148), (36, 3645005), (39, 3364620), (42, 3124290), (45, 2916004), (52, 2523465), (60, 2187003), (63, 2082860), (65, 2018772), (70, 1874574), (78, 1682310), (84, 1562145), (90, 1458002), (91, 1441980), (105, 1249716), (117, 1121540), (126, 1041430), (130, 1009386), (140, 937287), (156, 841155), (180, 729001), (182, 720990), (195, 672924), (210, 624858), (234, 560770), (252, 520715), (260, 504693), (273, 480660), (315, 416572), (364, 360495), (390, 336462), (420, 312429), (455, 288396), (468, 280385), (546, 240330), (585, 224308), (630, 208286), (780, 168231), (819, 160220), (910, 144198), (1092, 120165), (1170, 112154), (1260, 104143), (1365, 96132), (1638, 80110), (1820, 72099), (2340, 56077), (2730, 48066), (3276, 40055), (4095, 32044), (5460, 24033), (8011, 16380), (8190, 16022)]