998637720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:334

約数の個数: 256

約数和(自身を含む): 3317760000

約数和(自身を除く): 2319122280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 62, 71, 76, 93, 95, 114, 120, 124, 142, 152, 155, 186, 190, 199, 213, 228, 248, 284, 285, 310, 355, 372, 380, 398, 426, 456, 465, 568, 570, 589, 597, 620, 710, 744, 760, 796, 852, 930, 995, 1065, 1140, 1178, 1194, 1240, 1349, 1420, 1592, 1704, 1767, 1860, 1990, 2130, 2201, 2280, 2356, 2388, 2698, 2840, 2945, 2985, 3534, 3720, 3781, 3980, 4047, 4260, 4402, 4712, 4776, 5396, 5890, 5970, 6169, 6603, 6745, 7068, 7562, 7960, 8094, 8520, 8804, 8835, 10792, 11005, 11343, 11780, 11940, 12338, 13206, 13490, 14129, 14136, 15124, 16188, 17608, 17670, 18507, 18905, 20235, 22010, 22686, 23560, 23880, 24676, 26412, 26980, 28258, 30248, 30845, 32376, 33015, 35340, 37014, 37810, 40470, 41819, 42387, 44020, 45372, 49352, 52824, 53960, 56516, 56715, 61690, 66030, 70645, 70680, 74028, 75620, 80940, 83638, 84774, 88040, 90744, 92535, 113032, 113430, 117211, 123380, 125457, 132060, 141290, 148056, 151240, 161880, 167276, 169548, 185070, 209095, 211935, 226860, 234422, 246760, 250914, 264120, 268451, 282580, 334552, 339096, 351633, 370140, 418190, 423870, 437999, 453720, 468844, 501828, 536902, 565160, 586055, 627285, 703266, 740280, 805353, 836380, 847740, 875998, 937688, 1003656, 1073804, 1172110, 1254570, 1313997, 1342255, 1406532, 1610706, 1672760, 1695480, 1751996, 1758165, 2147608, 2189995, 2344220, 2509140, 2627994, 2684510, 2813064, 3221412, 3503992, 3516330, 4026765, 4379990, 4688440, 5018280, 5255988, 5369020, 6442824, 6569985, 7032660, 8053530, 8321981, 8759980, 10511976, 10738040, 13139970, 14065320, 16107060, 16643962, 17519960, 24965943, 26279940, 32214120, 33287924, 41609905, 49931886, 52559880, 66575848, 83219810, 99863772, 124829715, 166439620, 199727544, 249659430, 332879240, 499318860, 998637720]

約数ペア:

[(1, 998637720), (2, 499318860), (3, 332879240), (4, 249659430), (5, 199727544), (6, 166439620), (8, 124829715), (10, 99863772), (12, 83219810), (15, 66575848), (19, 52559880), (20, 49931886), (24, 41609905), (30, 33287924), (31, 32214120), (38, 26279940), (40, 24965943), (57, 17519960), (60, 16643962), (62, 16107060), (71, 14065320), (76, 13139970), (93, 10738040), (95, 10511976), (114, 8759980), (120, 8321981), (124, 8053530), (142, 7032660), (152, 6569985), (155, 6442824), (186, 5369020), (190, 5255988), (199, 5018280), (213, 4688440), (228, 4379990), (248, 4026765), (284, 3516330), (285, 3503992), (310, 3221412), (355, 2813064), (372, 2684510), (380, 2627994), (398, 2509140), (426, 2344220), (456, 2189995), (465, 2147608), (568, 1758165), (570, 1751996), (589, 1695480), (597, 1672760), (620, 1610706), (710, 1406532), (744, 1342255), (760, 1313997), (796, 1254570), (852, 1172110), (930, 1073804), (995, 1003656), (1065, 937688), (1140, 875998), (1178, 847740), (1194, 836380), (1240, 805353), (1349, 740280), (1420, 703266), (1592, 627285), (1704, 586055), (1767, 565160), (1860, 536902), (1990, 501828), (2130, 468844), (2201, 453720), (2280, 437999), (2356, 423870), (2388, 418190), (2698, 370140), (2840, 351633), (2945, 339096), (2985, 334552), (3534, 282580), (3720, 268451), (3781, 264120), (3980, 250914), (4047, 246760), (4260, 234422), (4402, 226860), (4712, 211935), (4776, 209095), (5396, 185070), (5890, 169548), (5970, 167276), (6169, 161880), (6603, 151240), (6745, 148056), (7068, 141290), (7562, 132060), (7960, 125457), (8094, 123380), (8520, 117211), (8804, 113430), (8835, 113032), (10792, 92535), (11005, 90744), (11343, 88040), (11780, 84774), (11940, 83638), (12338, 80940), (13206, 75620), (13490, 74028), (14129, 70680), (14136, 70645), (15124, 66030), (16188, 61690), (17608, 56715), (17670, 56516), (18507, 53960), (18905, 52824), (20235, 49352), (22010, 45372), (22686, 44020), (23560, 42387), (23880, 41819), (24676, 40470), (26412, 37810), (26980, 37014), (28258, 35340), (30248, 33015), (30845, 32376)]