51871140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{523}}^1$

素因数の和:586

約数の個数: 144

約数和(自身を含む): 171662400

約数和(自身を除く): 119791260

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, 523, 551, 570, 580, 684, 855, 870, 1044, 1046, 1102, 1140, 1305, 1569, 1653, 1710, 1740, 2092, 2204, 2610, 2615, 2755, 3138, 3306, 3420, 4707, 4959, 5220, 5230, 5510, 6276, 6612, 7845, 8265, 9414, 9918, 9937, 10460, 11020, 15167, 15690, 16530, 18828, 19836, 19874, 23535, 24795, 29811, 30334, 31380, 33060, 39748, 45501, 47070, 49590, 49685, 59622, 60668, 75835, 89433, 91002, 94140, 99180, 99370, 119244, 136503, 149055, 151670, 178866, 182004, 198740, 227505, 273006, 288173, 298110, 303340, 357732, 447165, 455010, 546012, 576346, 596220, 682515, 864519, 894330, 910020, 1152692, 1365030, 1440865, 1729038, 1788660, 2593557, 2730060, 2881730, 3458076, 4322595, 5187114, 5763460, 8645190, 10374228, 12967785, 17290380, 25935570, 51871140]

約数ペア:

[(1, 51871140), (2, 25935570), (3, 17290380), (4, 12967785), (5, 10374228), (6, 8645190), (9, 5763460), (10, 5187114), (12, 4322595), (15, 3458076), (18, 2881730), (19, 2730060), (20, 2593557), (29, 1788660), (30, 1729038), (36, 1440865), (38, 1365030), (45, 1152692), (57, 910020), (58, 894330), (60, 864519), (76, 682515), (87, 596220), (90, 576346), (95, 546012), (114, 455010), (116, 447165), (145, 357732), (171, 303340), (174, 298110), (180, 288173), (190, 273006), (228, 227505), (261, 198740), (285, 182004), (290, 178866), (342, 151670), (348, 149055), (380, 136503), (435, 119244), (522, 99370), (523, 99180), (551, 94140), (570, 91002), (580, 89433), (684, 75835), (855, 60668), (870, 59622), (1044, 49685), (1046, 49590), (1102, 47070), (1140, 45501), (1305, 39748), (1569, 33060), (1653, 31380), (1710, 30334), (1740, 29811), (2092, 24795), (2204, 23535), (2610, 19874), (2615, 19836), (2755, 18828), (3138, 16530), (3306, 15690), (3420, 15167), (4707, 11020), (4959, 10460), (5220, 9937), (5230, 9918), (5510, 9414), (6276, 8265), (6612, 7845)]