2018145420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{2351}}^1$

素因数の和:2636

約数の個数: 144

約数和(自身を含む): 6472327680

約数和(自身を除く): 4454182260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 251, 285, 342, 380, 502, 570, 684, 753, 855, 1004, 1140, 1255, 1506, 1710, 2259, 2351, 2510, 3012, 3420, 3765, 4518, 4702, 4769, 5020, 7053, 7530, 9036, 9404, 9538, 11295, 11755, 14106, 14307, 15060, 19076, 21159, 22590, 23510, 23845, 28212, 28614, 35265, 42318, 42921, 44669, 45180, 47020, 47690, 57228, 70530, 71535, 84636, 85842, 89338, 95380, 105795, 134007, 141060, 143070, 171684, 178676, 211590, 214605, 223345, 268014, 286140, 402021, 423180, 429210, 446690, 536028, 590101, 670035, 804042, 858420, 893380, 1180202, 1340070, 1608084, 1770303, 2010105, 2360404, 2680140, 2950505, 3540606, 4020210, 5310909, 5901010, 7081212, 8040420, 8851515, 10621818, 11211919, 11802020, 17703030, 21243636, 22423838, 26554545, 33635757, 35406060, 44847676, 53109090, 56059595, 67271514, 100907271, 106218180, 112119190, 134543028, 168178785, 201814542, 224238380, 336357570, 403629084, 504536355, 672715140, 1009072710, 2018145420]

約数ペア:

[(1, 2018145420), (2, 1009072710), (3, 672715140), (4, 504536355), (5, 403629084), (6, 336357570), (9, 224238380), (10, 201814542), (12, 168178785), (15, 134543028), (18, 112119190), (19, 106218180), (20, 100907271), (30, 67271514), (36, 56059595), (38, 53109090), (45, 44847676), (57, 35406060), (60, 33635757), (76, 26554545), (90, 22423838), (95, 21243636), (114, 17703030), (171, 11802020), (180, 11211919), (190, 10621818), (228, 8851515), (251, 8040420), (285, 7081212), (342, 5901010), (380, 5310909), (502, 4020210), (570, 3540606), (684, 2950505), (753, 2680140), (855, 2360404), (1004, 2010105), (1140, 1770303), (1255, 1608084), (1506, 1340070), (1710, 1180202), (2259, 893380), (2351, 858420), (2510, 804042), (3012, 670035), (3420, 590101), (3765, 536028), (4518, 446690), (4702, 429210), (4769, 423180), (5020, 402021), (7053, 286140), (7530, 268014), (9036, 223345), (9404, 214605), (9538, 211590), (11295, 178676), (11755, 171684), (14106, 143070), (14307, 141060), (15060, 134007), (19076, 105795), (21159, 95380), (22590, 89338), (23510, 85842), (23845, 84636), (28212, 71535), (28614, 70530), (35265, 57228), (42318, 47690), (42921, 47020), (44669, 45180)]