240101820

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:742

約数の個数: 240

約数和(自身を含む): 889878528

約数和(自身を除く): 649776708

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, 252, 270, 279, 310, 315, 324, 372, 378, 405, 420, 434, 465, 540, 558, 567, 620, 630, 651, 683, 756, 810, 837, 868, 930, 945, 1085, 1116, 1134, 1260, 1302, 1366, 1395, 1620, 1674, 1860, 1890, 1953, 2049, 2170, 2268, 2511, 2604, 2732, 2790, 2835, 3255, 3348, 3415, 3780, 3906, 4098, 4185, 4340, 4781, 5022, 5580, 5670, 5859, 6147, 6510, 6830, 7812, 8196, 8370, 9562, 9765, 10044, 10245, 11340, 11718, 12294, 12555, 13020, 13660, 14343, 16740, 17577, 18441, 19124, 19530, 20490, 21173, 23436, 23905, 24588, 25110, 28686, 29295, 30735, 35154, 36882, 39060, 40980, 42346, 43029, 47810, 50220, 55323, 57372, 58590, 61470, 63519, 70308, 71715, 73764, 84692, 86058, 87885, 92205, 95620, 105865, 110646, 117180, 122940, 127038, 129087, 143430, 148211, 172116, 175770, 184410, 190557, 211730, 215145, 221292, 254076, 258174, 276615, 286860, 296422, 317595, 351540, 368820, 381114, 387261, 423460, 430290, 444633, 516348, 553230, 571671, 592844, 635190, 645435, 741055, 762228, 774522, 860580, 889266, 952785, 1106460, 1143342, 1270380, 1290870, 1333899, 1482110, 1549044, 1715013, 1778532, 1905570, 1936305, 2223165, 2286684, 2581740, 2667798, 2858355, 2964220, 3430026, 3811140, 3872610, 4001697, 4446330, 5335596, 5716710, 6669495, 6860052, 7745220, 8003394, 8575065, 8892660, 11433420, 12005091, 13338990, 16006788, 17150130, 20008485, 24010182, 26677980, 34300260, 40016970, 48020364, 60025455, 80033940, 120050910, 240101820]

約数ペア:

[(1, 240101820), (2, 120050910), (3, 80033940), (4, 60025455), (5, 48020364), (6, 40016970), (7, 34300260), (9, 26677980), (10, 24010182), (12, 20008485), (14, 17150130), (15, 16006788), (18, 13338990), (20, 12005091), (21, 11433420), (27, 8892660), (28, 8575065), (30, 8003394), (31, 7745220), (35, 6860052), (36, 6669495), (42, 5716710), (45, 5335596), (54, 4446330), (60, 4001697), (62, 3872610), (63, 3811140), (70, 3430026), (81, 2964220), (84, 2858355), (90, 2667798), (93, 2581740), (105, 2286684), (108, 2223165), (124, 1936305), (126, 1905570), (135, 1778532), (140, 1715013), (155, 1549044), (162, 1482110), (180, 1333899), (186, 1290870), (189, 1270380), (210, 1143342), (217, 1106460), (252, 952785), (270, 889266), (279, 860580), (310, 774522), (315, 762228), (324, 741055), (372, 645435), (378, 635190), (405, 592844), (420, 571671), (434, 553230), (465, 516348), (540, 444633), (558, 430290), (567, 423460), (620, 387261), (630, 381114), (651, 368820), (683, 351540), (756, 317595), (810, 296422), (837, 286860), (868, 276615), (930, 258174), (945, 254076), (1085, 221292), (1116, 215145), (1134, 211730), (1260, 190557), (1302, 184410), (1366, 175770), (1395, 172116), (1620, 148211), (1674, 143430), (1860, 129087), (1890, 127038), (1953, 122940), (2049, 117180), (2170, 110646), (2268, 105865), (2511, 95620), (2604, 92205), (2732, 87885), (2790, 86058), (2835, 84692), (3255, 73764), (3348, 71715), (3415, 70308), (3780, 63519), (3906, 61470), (4098, 58590), (4185, 57372), (4340, 55323), (4781, 50220), (5022, 47810), (5580, 43029), (5670, 42346), (5859, 40980), (6147, 39060), (6510, 36882), (6830, 35154), (7812, 30735), (8196, 29295), (8370, 28686), (9562, 25110), (9765, 24588), (10044, 23905), (10245, 23436), (11340, 21173), (11718, 20490), (12294, 19530), (12555, 19124), (13020, 18441), (13660, 17577), (14343, 16740)]