1820721240

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1601}}^1$

素因数の和:1646

約数の個数: 256

約数和(自身を含む): 6620745600

約数和(自身を除く): 4800024360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 243, 260, 270, 312, 324, 351, 360, 390, 405, 468, 486, 520, 540, 585, 648, 702, 729, 780, 810, 936, 972, 1053, 1080, 1170, 1215, 1404, 1458, 1560, 1601, 1620, 1755, 1944, 2106, 2187, 2340, 2430, 2808, 2916, 3159, 3202, 3240, 3510, 3645, 4212, 4374, 4680, 4803, 4860, 5265, 5832, 6318, 6404, 7020, 7290, 8005, 8424, 8748, 9477, 9606, 9720, 10530, 10935, 12636, 12808, 14040, 14409, 14580, 15795, 16010, 17496, 18954, 19212, 20813, 21060, 21870, 24015, 25272, 28431, 28818, 29160, 31590, 32020, 37908, 38424, 41626, 42120, 43227, 43740, 47385, 48030, 56862, 57636, 62439, 63180, 64040, 72045, 75816, 83252, 86454, 87480, 94770, 96060, 104065, 113724, 115272, 124878, 126360, 129681, 142155, 144090, 166504, 172908, 187317, 189540, 192120, 208130, 216135, 227448, 249756, 259362, 284310, 288180, 312195, 345816, 374634, 379080, 389043, 416260, 432270, 499512, 518724, 561951, 568620, 576360, 624390, 648405, 749268, 778086, 832520, 864540, 936585, 1037448, 1123902, 1137240, 1167129, 1248780, 1296810, 1498536, 1556172, 1685853, 1729080, 1873170, 1945215, 2247804, 2334258, 2497560, 2593620, 2809755, 3112344, 3371706, 3501387, 3746340, 3890430, 4495608, 4668516, 5057559, 5187240, 5619510, 5835645, 6743412, 7002774, 7492680, 7780860, 8429265, 9337032, 10115118, 11239020, 11671290, 13486824, 14005548, 15172677, 15561720, 16858530, 17506935, 20230236, 22478040, 23342580, 25287795, 28011096, 30345354, 33717060, 35013870, 40460472, 45518031, 46685160, 50575590, 60690708, 67434120, 70027740, 75863385, 91036062, 101151180, 121381416, 140055480, 151726770, 182072124, 202302360, 227590155, 303453540, 364144248, 455180310, 606907080, 910360620, 1820721240]

約数ペア:

[(1, 1820721240), (2, 910360620), (3, 606907080), (4, 455180310), (5, 364144248), (6, 303453540), (8, 227590155), (9, 202302360), (10, 182072124), (12, 151726770), (13, 140055480), (15, 121381416), (18, 101151180), (20, 91036062), (24, 75863385), (26, 70027740), (27, 67434120), (30, 60690708), (36, 50575590), (39, 46685160), (40, 45518031), (45, 40460472), (52, 35013870), (54, 33717060), (60, 30345354), (65, 28011096), (72, 25287795), (78, 23342580), (81, 22478040), (90, 20230236), (104, 17506935), (108, 16858530), (117, 15561720), (120, 15172677), (130, 14005548), (135, 13486824), (156, 11671290), (162, 11239020), (180, 10115118), (195, 9337032), (216, 8429265), (234, 7780860), (243, 7492680), (260, 7002774), (270, 6743412), (312, 5835645), (324, 5619510), (351, 5187240), (360, 5057559), (390, 4668516), (405, 4495608), (468, 3890430), (486, 3746340), (520, 3501387), (540, 3371706), (585, 3112344), (648, 2809755), (702, 2593620), (729, 2497560), (780, 2334258), (810, 2247804), (936, 1945215), (972, 1873170), (1053, 1729080), (1080, 1685853), (1170, 1556172), (1215, 1498536), (1404, 1296810), (1458, 1248780), (1560, 1167129), (1601, 1137240), (1620, 1123902), (1755, 1037448), (1944, 936585), (2106, 864540), (2187, 832520), (2340, 778086), (2430, 749268), (2808, 648405), (2916, 624390), (3159, 576360), (3202, 568620), (3240, 561951), (3510, 518724), (3645, 499512), (4212, 432270), (4374, 416260), (4680, 389043), (4803, 379080), (4860, 374634), (5265, 345816), (5832, 312195), (6318, 288180), (6404, 284310), (7020, 259362), (7290, 249756), (8005, 227448), (8424, 216135), (8748, 208130), (9477, 192120), (9606, 189540), (9720, 187317), (10530, 172908), (10935, 166504), (12636, 144090), (12808, 142155), (14040, 129681), (14409, 126360), (14580, 124878), (15795, 115272), (16010, 113724), (17496, 104065), (18954, 96060), (19212, 94770), (20813, 87480), (21060, 86454), (21870, 83252), (24015, 75816), (25272, 72045), (28431, 64040), (28818, 63180), (29160, 62439), (31590, 57636), (32020, 56862), (37908, 48030), (38424, 47385), (41626, 43740), (42120, 43227)]