80236620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{809}}^1$

素因数の和:872

約数の個数: 144

約数和(自身を含む): 265356000

約数和(自身を除く): 185119380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 29, 30, 36, 38, 45, 57, 58, 60, 76, 87, 90, 95, 114, 116, 145, 171, 174, 180, 190, 228, 261, 285, 290, 342, 348, 380, 435, 522, 551, 570, 580, 684, 809, 855, 870, 1044, 1102, 1140, 1305, 1618, 1653, 1710, 1740, 2204, 2427, 2610, 2755, 3236, 3306, 3420, 4045, 4854, 4959, 5220, 5510, 6612, 7281, 8090, 8265, 9708, 9918, 11020, 12135, 14562, 15371, 16180, 16530, 19836, 23461, 24270, 24795, 29124, 30742, 33060, 36405, 46113, 46922, 48540, 49590, 61484, 70383, 72810, 76855, 92226, 93844, 99180, 117305, 138339, 140766, 145620, 153710, 184452, 211149, 230565, 234610, 276678, 281532, 307420, 351915, 422298, 445759, 461130, 469220, 553356, 691695, 703830, 844596, 891518, 922260, 1055745, 1337277, 1383390, 1407660, 1783036, 2111490, 2228795, 2674554, 2766780, 4011831, 4222980, 4457590, 5349108, 6686385, 8023662, 8915180, 13372770, 16047324, 20059155, 26745540, 40118310, 80236620]

約数ペア:

[(1, 80236620), (2, 40118310), (3, 26745540), (4, 20059155), (5, 16047324), (6, 13372770), (9, 8915180), (10, 8023662), (12, 6686385), (15, 5349108), (18, 4457590), (19, 4222980), (20, 4011831), (29, 2766780), (30, 2674554), (36, 2228795), (38, 2111490), (45, 1783036), (57, 1407660), (58, 1383390), (60, 1337277), (76, 1055745), (87, 922260), (90, 891518), (95, 844596), (114, 703830), (116, 691695), (145, 553356), (171, 469220), (174, 461130), (180, 445759), (190, 422298), (228, 351915), (261, 307420), (285, 281532), (290, 276678), (342, 234610), (348, 230565), (380, 211149), (435, 184452), (522, 153710), (551, 145620), (570, 140766), (580, 138339), (684, 117305), (809, 99180), (855, 93844), (870, 92226), (1044, 76855), (1102, 72810), (1140, 70383), (1305, 61484), (1618, 49590), (1653, 48540), (1710, 46922), (1740, 46113), (2204, 36405), (2427, 33060), (2610, 30742), (2755, 29124), (3236, 24795), (3306, 24270), (3420, 23461), (4045, 19836), (4854, 16530), (4959, 16180), (5220, 15371), (5510, 14562), (6612, 12135), (7281, 11020), (8090, 9918), (8265, 9708)]