1815449580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{3343}}^1$

素因数の和:3796

約数の個数: 144

約数和(自身を含む): 6310047744

約数和(自身を除く): 4494598164

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 431, 630, 862, 1260, 1293, 1724, 2155, 2586, 3017, 3343, 3879, 4310, 5172, 6034, 6465, 6686, 7758, 8620, 9051, 10029, 12068, 12930, 13372, 15085, 15516, 16715, 18102, 19395, 20058, 23401, 25860, 27153, 30087, 30170, 33430, 36204, 38790, 40116, 45255, 46802, 50145, 54306, 60174, 60340, 66860, 70203, 77580, 90510, 93604, 100290, 108612, 117005, 120348, 135765, 140406, 150435, 181020, 200580, 210609, 234010, 271530, 280812, 300870, 351015, 421218, 468020, 543060, 601740, 702030, 842436, 1053045, 1404060, 1440833, 2106090, 2881666, 4212180, 4322499, 5763332, 7204165, 8644998, 10085831, 12967497, 14408330, 17289996, 20171662, 21612495, 25934994, 28816660, 30257493, 40343324, 43224990, 50429155, 51869988, 60514986, 64837485, 86449980, 90772479, 100858310, 121029972, 129674970, 151287465, 181544958, 201716620, 259349940, 302574930, 363089916, 453862395, 605149860, 907724790, 1815449580]

約数ペア:

[(1, 1815449580), (2, 907724790), (3, 605149860), (4, 453862395), (5, 363089916), (6, 302574930), (7, 259349940), (9, 201716620), (10, 181544958), (12, 151287465), (14, 129674970), (15, 121029972), (18, 100858310), (20, 90772479), (21, 86449980), (28, 64837485), (30, 60514986), (35, 51869988), (36, 50429155), (42, 43224990), (45, 40343324), (60, 30257493), (63, 28816660), (70, 25934994), (84, 21612495), (90, 20171662), (105, 17289996), (126, 14408330), (140, 12967497), (180, 10085831), (210, 8644998), (252, 7204165), (315, 5763332), (420, 4322499), (431, 4212180), (630, 2881666), (862, 2106090), (1260, 1440833), (1293, 1404060), (1724, 1053045), (2155, 842436), (2586, 702030), (3017, 601740), (3343, 543060), (3879, 468020), (4310, 421218), (5172, 351015), (6034, 300870), (6465, 280812), (6686, 271530), (7758, 234010), (8620, 210609), (9051, 200580), (10029, 181020), (12068, 150435), (12930, 140406), (13372, 135765), (15085, 120348), (15516, 117005), (16715, 108612), (18102, 100290), (19395, 93604), (20058, 90510), (23401, 77580), (25860, 70203), (27153, 66860), (30087, 60340), (30170, 60174), (33430, 54306), (36204, 50145), (38790, 46802), (40116, 45255)]