20715237360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{7699}}^1$

素因数の和:7856

約数の個数: 240

約数和(自身を含む): 72165693600

約数和(自身を除く): 51450456240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 101, 111, 120, 144, 148, 180, 185, 202, 222, 240, 296, 303, 333, 360, 370, 404, 444, 505, 555, 592, 606, 666, 720, 740, 808, 888, 909, 1010, 1110, 1212, 1332, 1480, 1515, 1616, 1665, 1776, 1818, 2020, 2220, 2424, 2664, 2960, 3030, 3330, 3636, 3737, 4040, 4440, 4545, 4848, 5328, 6060, 6660, 7272, 7474, 7699, 8080, 8880, 9090, 11211, 12120, 13320, 14544, 14948, 15398, 18180, 18685, 22422, 23097, 24240, 26640, 29896, 30796, 33633, 36360, 37370, 38495, 44844, 46194, 56055, 59792, 61592, 67266, 69291, 72720, 74740, 76990, 89688, 92388, 112110, 115485, 123184, 134532, 138582, 149480, 153980, 168165, 179376, 184776, 224220, 230970, 269064, 277164, 284863, 298960, 307960, 336330, 346455, 369552, 448440, 461940, 538128, 554328, 569726, 615920, 672660, 692910, 777599, 854589, 896880, 923880, 1108656, 1139452, 1345320, 1385820, 1424315, 1555198, 1709178, 1847760, 2278904, 2332797, 2563767, 2690640, 2771640, 2848630, 3110396, 3418356, 3887995, 4272945, 4557808, 4665594, 5127534, 5543280, 5697260, 6220792, 6836712, 6998391, 7775990, 8545890, 9331188, 10255068, 11394520, 11663985, 12441584, 12818835, 13673424, 13996782, 15551980, 17091780, 18662376, 20510136, 22789040, 23327970, 25637670, 27993564, 28771163, 31103960, 34183560, 34991955, 37324752, 41020272, 46655940, 51275340, 55987128, 57542326, 62207920, 68367120, 69983910, 86313489, 93311880, 102550680, 111974256, 115084652, 139967820, 143855815, 172626978, 186623760, 205101360, 230169304, 258940467, 279935640, 287711630, 345253956, 431567445, 460338608, 517880934, 559871280, 575423260, 690507912, 863134890, 1035761868, 1150846520, 1294702335, 1381015824, 1726269780, 2071523736, 2301693040, 2589404670, 3452539560, 4143047472, 5178809340, 6905079120, 10357618680, 20715237360]

約数ペア:

[(1, 20715237360), (2, 10357618680), (3, 6905079120), (4, 5178809340), (5, 4143047472), (6, 3452539560), (8, 2589404670), (9, 2301693040), (10, 2071523736), (12, 1726269780), (15, 1381015824), (16, 1294702335), (18, 1150846520), (20, 1035761868), (24, 863134890), (30, 690507912), (36, 575423260), (37, 559871280), (40, 517880934), (45, 460338608), (48, 431567445), (60, 345253956), (72, 287711630), (74, 279935640), (80, 258940467), (90, 230169304), (101, 205101360), (111, 186623760), (120, 172626978), (144, 143855815), (148, 139967820), (180, 115084652), (185, 111974256), (202, 102550680), (222, 93311880), (240, 86313489), (296, 69983910), (303, 68367120), (333, 62207920), (360, 57542326), (370, 55987128), (404, 51275340), (444, 46655940), (505, 41020272), (555, 37324752), (592, 34991955), (606, 34183560), (666, 31103960), (720, 28771163), (740, 27993564), (808, 25637670), (888, 23327970), (909, 22789040), (1010, 20510136), (1110, 18662376), (1212, 17091780), (1332, 15551980), (1480, 13996782), (1515, 13673424), (1616, 12818835), (1665, 12441584), (1776, 11663985), (1818, 11394520), (2020, 10255068), (2220, 9331188), (2424, 8545890), (2664, 7775990), (2960, 6998391), (3030, 6836712), (3330, 6220792), (3636, 5697260), (3737, 5543280), (4040, 5127534), (4440, 4665594), (4545, 4557808), (4848, 4272945), (5328, 3887995), (6060, 3418356), (6660, 3110396), (7272, 2848630), (7474, 2771640), (7699, 2690640), (8080, 2563767), (8880, 2332797), (9090, 2278904), (11211, 1847760), (12120, 1709178), (13320, 1555198), (14544, 1424315), (14948, 1385820), (15398, 1345320), (18180, 1139452), (18685, 1108656), (22422, 923880), (23097, 896880), (24240, 854589), (26640, 777599), (29896, 692910), (30796, 672660), (33633, 615920), (36360, 569726), (37370, 554328), (38495, 538128), (44844, 461940), (46194, 448440), (56055, 369552), (59792, 346455), (61592, 336330), (67266, 307960), (69291, 298960), (72720, 284863), (74740, 277164), (76990, 269064), (89688, 230970), (92388, 224220), (112110, 184776), (115485, 179376), (123184, 168165), (134532, 153980), (138582, 149480)]