2081808720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4909}}^1$

素因数の和:4978

約数の個数: 240

約数和(自身を含む): 7598323200

約数和(自身を除く): 5516514480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 48, 57, 60, 62, 72, 76, 80, 90, 93, 95, 114, 120, 124, 144, 152, 155, 171, 180, 186, 190, 228, 240, 248, 279, 285, 304, 310, 342, 360, 372, 380, 456, 465, 496, 558, 570, 589, 620, 684, 720, 744, 760, 855, 912, 930, 1116, 1140, 1178, 1240, 1368, 1395, 1488, 1520, 1710, 1767, 1860, 2232, 2280, 2356, 2480, 2736, 2790, 2945, 3420, 3534, 3720, 4464, 4560, 4712, 4909, 5301, 5580, 5890, 6840, 7068, 7440, 8835, 9424, 9818, 10602, 11160, 11780, 13680, 14136, 14727, 17670, 19636, 21204, 22320, 23560, 24545, 26505, 28272, 29454, 35340, 39272, 42408, 44181, 47120, 49090, 53010, 58908, 70680, 73635, 78544, 84816, 88362, 93271, 98180, 106020, 117816, 141360, 147270, 152179, 176724, 186542, 196360, 212040, 220905, 235632, 279813, 294540, 304358, 353448, 373084, 392720, 424080, 441810, 456537, 466355, 559626, 589080, 608716, 706896, 746168, 760895, 839439, 883620, 913074, 932710, 1119252, 1178160, 1217432, 1369611, 1399065, 1492336, 1521790, 1678878, 1767240, 1826148, 1865420, 2238504, 2282685, 2434864, 2739222, 2798130, 2891401, 3043580, 3357756, 3534480, 3652296, 3730840, 4197195, 4477008, 4565370, 5478444, 5596260, 5782802, 6087160, 6715512, 6848055, 7304592, 7461680, 8394390, 8674203, 9130740, 10956888, 11192520, 11565604, 12174320, 13431024, 13696110, 14457005, 16788780, 17348406, 18261480, 21913776, 22385040, 23131208, 26022609, 27392220, 28914010, 33577560, 34696812, 36522960, 43371015, 46262416, 52045218, 54784440, 57828020, 67155120, 69393624, 86742030, 104090436, 109568880, 115656040, 130113045, 138787248, 173484060, 208180872, 231312080, 260226090, 346968120, 416361744, 520452180, 693936240, 1040904360, 2081808720]

約数ペア:

[(1, 2081808720), (2, 1040904360), (3, 693936240), (4, 520452180), (5, 416361744), (6, 346968120), (8, 260226090), (9, 231312080), (10, 208180872), (12, 173484060), (15, 138787248), (16, 130113045), (18, 115656040), (19, 109568880), (20, 104090436), (24, 86742030), (30, 69393624), (31, 67155120), (36, 57828020), (38, 54784440), (40, 52045218), (45, 46262416), (48, 43371015), (57, 36522960), (60, 34696812), (62, 33577560), (72, 28914010), (76, 27392220), (80, 26022609), (90, 23131208), (93, 22385040), (95, 21913776), (114, 18261480), (120, 17348406), (124, 16788780), (144, 14457005), (152, 13696110), (155, 13431024), (171, 12174320), (180, 11565604), (186, 11192520), (190, 10956888), (228, 9130740), (240, 8674203), (248, 8394390), (279, 7461680), (285, 7304592), (304, 6848055), (310, 6715512), (342, 6087160), (360, 5782802), (372, 5596260), (380, 5478444), (456, 4565370), (465, 4477008), (496, 4197195), (558, 3730840), (570, 3652296), (589, 3534480), (620, 3357756), (684, 3043580), (720, 2891401), (744, 2798130), (760, 2739222), (855, 2434864), (912, 2282685), (930, 2238504), (1116, 1865420), (1140, 1826148), (1178, 1767240), (1240, 1678878), (1368, 1521790), (1395, 1492336), (1488, 1399065), (1520, 1369611), (1710, 1217432), (1767, 1178160), (1860, 1119252), (2232, 932710), (2280, 913074), (2356, 883620), (2480, 839439), (2736, 760895), (2790, 746168), (2945, 706896), (3420, 608716), (3534, 589080), (3720, 559626), (4464, 466355), (4560, 456537), (4712, 441810), (4909, 424080), (5301, 392720), (5580, 373084), (5890, 353448), (6840, 304358), (7068, 294540), (7440, 279813), (8835, 235632), (9424, 220905), (9818, 212040), (10602, 196360), (11160, 186542), (11780, 176724), (13680, 152179), (14136, 147270), (14727, 141360), (17670, 117816), (19636, 106020), (21204, 98180), (22320, 93271), (23560, 88362), (24545, 84816), (26505, 78544), (28272, 73635), (29454, 70680), (35340, 58908), (39272, 53010), (42408, 49090), (44181, 47120)]