254163420

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:303

約数の個数: 288

約数和(自身を含む): 947122176

約数和(自身を除く): 692958756

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 54, 60, 62, 63, 70, 81, 84, 90, 93, 105, 108, 124, 126, 135, 140, 155, 162, 180, 186, 189, 210, 217, 241, 243, 252, 270, 279, 310, 315, 324, 372, 378, 405, 420, 434, 465, 482, 486, 540, 558, 567, 620, 630, 651, 723, 756, 810, 837, 868, 930, 945, 964, 972, 1085, 1116, 1134, 1205, 1215, 1260, 1302, 1395, 1446, 1620, 1674, 1687, 1701, 1860, 1890, 1953, 2169, 2170, 2268, 2410, 2430, 2511, 2604, 2790, 2835, 2892, 3255, 3348, 3374, 3402, 3615, 3780, 3906, 4185, 4338, 4340, 4820, 4860, 5022, 5061, 5580, 5670, 5859, 6507, 6510, 6748, 6804, 7230, 7471, 7533, 7812, 8370, 8435, 8505, 8676, 9765, 10044, 10122, 10845, 11340, 11718, 12555, 13014, 13020, 14460, 14942, 15066, 15183, 16740, 16870, 17010, 17577, 19521, 19530, 20244, 21690, 22413, 23436, 25110, 25305, 26028, 29295, 29884, 30132, 30366, 32535, 33740, 34020, 35154, 37355, 37665, 39042, 39060, 43380, 44826, 45549, 50220, 50610, 52297, 52731, 58563, 58590, 60732, 65070, 67239, 70308, 74710, 75330, 75915, 78084, 87885, 89652, 91098, 97605, 101220, 104594, 105462, 112065, 117126, 117180, 130140, 134478, 136647, 149420, 150660, 151830, 156891, 175770, 182196, 195210, 201717, 209188, 210924, 224130, 227745, 234252, 261485, 263655, 268956, 273294, 292815, 303660, 313782, 336195, 351540, 390420, 403434, 409941, 448260, 455490, 470673, 522970, 527310, 546588, 585630, 605151, 627564, 672390, 683235, 784455, 806868, 819882, 910980, 941346, 1008585, 1045940, 1054620, 1171260, 1210302, 1344780, 1366470, 1412019, 1568910, 1639764, 1815453, 1882692, 2017170, 2049705, 2353365, 2420604, 2732940, 2824038, 3025755, 3137820, 3630906, 4034340, 4099410, 4236057, 4706730, 5648076, 6051510, 7060095, 7261812, 8198820, 8472114, 9077265, 9413460, 12103020, 12708171, 14120190, 16944228, 18154530, 21180285, 25416342, 28240380, 36309060, 42360570, 50832684, 63540855, 84721140, 127081710, 254163420]

約数ペア:

[(1, 254163420), (2, 127081710), (3, 84721140), (4, 63540855), (5, 50832684), (6, 42360570), (7, 36309060), (9, 28240380), (10, 25416342), (12, 21180285), (14, 18154530), (15, 16944228), (18, 14120190), (20, 12708171), (21, 12103020), (27, 9413460), (28, 9077265), (30, 8472114), (31, 8198820), (35, 7261812), (36, 7060095), (42, 6051510), (45, 5648076), (54, 4706730), (60, 4236057), (62, 4099410), (63, 4034340), (70, 3630906), (81, 3137820), (84, 3025755), (90, 2824038), (93, 2732940), (105, 2420604), (108, 2353365), (124, 2049705), (126, 2017170), (135, 1882692), (140, 1815453), (155, 1639764), (162, 1568910), (180, 1412019), (186, 1366470), (189, 1344780), (210, 1210302), (217, 1171260), (241, 1054620), (243, 1045940), (252, 1008585), (270, 941346), (279, 910980), (310, 819882), (315, 806868), (324, 784455), (372, 683235), (378, 672390), (405, 627564), (420, 605151), (434, 585630), (465, 546588), (482, 527310), (486, 522970), (540, 470673), (558, 455490), (567, 448260), (620, 409941), (630, 403434), (651, 390420), (723, 351540), (756, 336195), (810, 313782), (837, 303660), (868, 292815), (930, 273294), (945, 268956), (964, 263655), (972, 261485), (1085, 234252), (1116, 227745), (1134, 224130), (1205, 210924), (1215, 209188), (1260, 201717), (1302, 195210), (1395, 182196), (1446, 175770), (1620, 156891), (1674, 151830), (1687, 150660), (1701, 149420), (1860, 136647), (1890, 134478), (1953, 130140), (2169, 117180), (2170, 117126), (2268, 112065), (2410, 105462), (2430, 104594), (2511, 101220), (2604, 97605), (2790, 91098), (2835, 89652), (2892, 87885), (3255, 78084), (3348, 75915), (3374, 75330), (3402, 74710), (3615, 70308), (3780, 67239), (3906, 65070), (4185, 60732), (4338, 58590), (4340, 58563), (4820, 52731), (4860, 52297), (5022, 50610), (5061, 50220), (5580, 45549), (5670, 44826), (5859, 43380), (6507, 39060), (6510, 39042), (6748, 37665), (6804, 37355), (7230, 35154), (7471, 34020), (7533, 33740), (7812, 32535), (8370, 30366), (8435, 30132), (8505, 29884), (8676, 29295), (9765, 26028), (10044, 25305), (10122, 25110), (10845, 23436), (11340, 22413), (11718, 21690), (12555, 20244), (13014, 19530), (13020, 19521), (14460, 17577), (14942, 17010), (15066, 16870), (15183, 16740)]