51411780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 288

約数和(自身を含む): 195350400

約数和(自身を除く): 143938620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 29, 30, 35, 36, 42, 45, 49, 54, 58, 60, 63, 67, 70, 84, 87, 90, 98, 105, 108, 116, 126, 134, 135, 140, 145, 147, 174, 180, 189, 196, 201, 203, 210, 245, 252, 261, 268, 270, 290, 294, 315, 335, 348, 378, 402, 406, 420, 435, 441, 469, 490, 522, 540, 580, 588, 603, 609, 630, 670, 735, 756, 783, 804, 812, 870, 882, 938, 945, 980, 1005, 1015, 1044, 1206, 1218, 1260, 1305, 1323, 1340, 1407, 1421, 1470, 1566, 1740, 1764, 1809, 1827, 1876, 1890, 1943, 2010, 2030, 2205, 2345, 2412, 2436, 2610, 2646, 2814, 2842, 2940, 3015, 3045, 3132, 3283, 3618, 3654, 3780, 3886, 3915, 4020, 4060, 4221, 4263, 4410, 4690, 5220, 5292, 5481, 5628, 5684, 5829, 6030, 6090, 6566, 6615, 7035, 7105, 7236, 7308, 7772, 7830, 8442, 8526, 8820, 9045, 9135, 9380, 9715, 9849, 10962, 11658, 12060, 12180, 12663, 12789, 13132, 13230, 13601, 14070, 14210, 15660, 16415, 16884, 17052, 17487, 18090, 18270, 19430, 19698, 21105, 21315, 21924, 23316, 25326, 25578, 26460, 27202, 27405, 28140, 28420, 29145, 29547, 32830, 34974, 36180, 36540, 38367, 38860, 39396, 40803, 42210, 42630, 49245, 50652, 51156, 52461, 54404, 54810, 58290, 59094, 63315, 63945, 65660, 68005, 69948, 76734, 81606, 84420, 85260, 87435, 88641, 95207, 98490, 104922, 109620, 116580, 118188, 122409, 126630, 127890, 136010, 147735, 153468, 163212, 174870, 177282, 190414, 191835, 196980, 204015, 209844, 244818, 253260, 255780, 262305, 272020, 285621, 295470, 349740, 354564, 367227, 380828, 383670, 408030, 443205, 476035, 489636, 524610, 571242, 590940, 612045, 734454, 767340, 816060, 856863, 886410, 952070, 1049220, 1142484, 1224090, 1428105, 1468908, 1713726, 1772820, 1836135, 1904140, 2448180, 2570589, 2856210, 3427452, 3672270, 4284315, 5141178, 5712420, 7344540, 8568630, 10282356, 12852945, 17137260, 25705890, 51411780]

約数ペア:

[(1, 51411780), (2, 25705890), (3, 17137260), (4, 12852945), (5, 10282356), (6, 8568630), (7, 7344540), (9, 5712420), (10, 5141178), (12, 4284315), (14, 3672270), (15, 3427452), (18, 2856210), (20, 2570589), (21, 2448180), (27, 1904140), (28, 1836135), (29, 1772820), (30, 1713726), (35, 1468908), (36, 1428105), (42, 1224090), (45, 1142484), (49, 1049220), (54, 952070), (58, 886410), (60, 856863), (63, 816060), (67, 767340), (70, 734454), (84, 612045), (87, 590940), (90, 571242), (98, 524610), (105, 489636), (108, 476035), (116, 443205), (126, 408030), (134, 383670), (135, 380828), (140, 367227), (145, 354564), (147, 349740), (174, 295470), (180, 285621), (189, 272020), (196, 262305), (201, 255780), (203, 253260), (210, 244818), (245, 209844), (252, 204015), (261, 196980), (268, 191835), (270, 190414), (290, 177282), (294, 174870), (315, 163212), (335, 153468), (348, 147735), (378, 136010), (402, 127890), (406, 126630), (420, 122409), (435, 118188), (441, 116580), (469, 109620), (490, 104922), (522, 98490), (540, 95207), (580, 88641), (588, 87435), (603, 85260), (609, 84420), (630, 81606), (670, 76734), (735, 69948), (756, 68005), (783, 65660), (804, 63945), (812, 63315), (870, 59094), (882, 58290), (938, 54810), (945, 54404), (980, 52461), (1005, 51156), (1015, 50652), (1044, 49245), (1206, 42630), (1218, 42210), (1260, 40803), (1305, 39396), (1323, 38860), (1340, 38367), (1407, 36540), (1421, 36180), (1470, 34974), (1566, 32830), (1740, 29547), (1764, 29145), (1809, 28420), (1827, 28140), (1876, 27405), (1890, 27202), (1943, 26460), (2010, 25578), (2030, 25326), (2205, 23316), (2345, 21924), (2412, 21315), (2436, 21105), (2610, 19698), (2646, 19430), (2814, 18270), (2842, 18090), (2940, 17487), (3015, 17052), (3045, 16884), (3132, 16415), (3283, 15660), (3618, 14210), (3654, 14070), (3780, 13601), (3886, 13230), (3915, 13132), (4020, 12789), (4060, 12663), (4221, 12180), (4263, 12060), (4410, 11658), (4690, 10962), (5220, 9849), (5292, 9715), (5481, 9380), (5628, 9135), (5684, 9045), (5829, 8820), (6030, 8526), (6090, 8442), (6566, 7830), (6615, 7772), (7035, 7308), (7105, 7236)]