84721140

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:300

約数の個数: 240

約数和(自身を含む): 314840064

約数和(自身を除く): 230118924

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, 252, 270, 279, 310, 315, 324, 372, 378, 405, 420, 434, 465, 482, 540, 558, 567, 620, 630, 651, 723, 756, 810, 837, 868, 930, 945, 964, 1085, 1116, 1134, 1205, 1260, 1302, 1395, 1446, 1620, 1674, 1687, 1860, 1890, 1953, 2169, 2170, 2268, 2410, 2511, 2604, 2790, 2835, 2892, 3255, 3348, 3374, 3615, 3780, 3906, 4185, 4338, 4340, 4820, 5022, 5061, 5580, 5670, 5859, 6507, 6510, 6748, 7230, 7471, 7812, 8370, 8435, 8676, 9765, 10044, 10122, 10845, 11340, 11718, 12555, 13014, 13020, 14460, 14942, 15183, 16740, 16870, 17577, 19521, 19530, 20244, 21690, 22413, 23436, 25110, 25305, 26028, 29295, 29884, 30366, 32535, 33740, 35154, 37355, 39042, 39060, 43380, 44826, 45549, 50220, 50610, 52297, 58590, 60732, 65070, 67239, 70308, 74710, 75915, 78084, 87885, 89652, 91098, 97605, 101220, 104594, 112065, 117180, 130140, 134478, 136647, 149420, 151830, 156891, 175770, 182196, 195210, 201717, 209188, 224130, 227745, 261485, 268956, 273294, 303660, 313782, 336195, 351540, 390420, 403434, 448260, 455490, 470673, 522970, 546588, 605151, 627564, 672390, 683235, 784455, 806868, 910980, 941346, 1008585, 1045940, 1210302, 1344780, 1366470, 1412019, 1568910, 1882692, 2017170, 2353365, 2420604, 2732940, 2824038, 3025755, 3137820, 4034340, 4236057, 4706730, 5648076, 6051510, 7060095, 8472114, 9413460, 12103020, 14120190, 16944228, 21180285, 28240380, 42360570, 84721140]

約数ペア:

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