1640802060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{1579}}^1$

素因数の和:1868

約数の個数: 144

約数和(自身を含む): 5217488640

約数和(自身を除く): 3576686580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 251, 276, 345, 414, 460, 502, 690, 753, 828, 1004, 1035, 1255, 1380, 1506, 1579, 2070, 2259, 2510, 3012, 3158, 3765, 4140, 4518, 4737, 5020, 5773, 6316, 7530, 7895, 9036, 9474, 11295, 11546, 14211, 15060, 15790, 17319, 18948, 22590, 23092, 23685, 28422, 28865, 31580, 34638, 36317, 45180, 47370, 51957, 56844, 57730, 69276, 71055, 72634, 86595, 94740, 103914, 108951, 115460, 142110, 145268, 173190, 181585, 207828, 217902, 259785, 284220, 326853, 346380, 363170, 396329, 435804, 519570, 544755, 653706, 726340, 792658, 1039140, 1089510, 1188987, 1307412, 1585316, 1634265, 1981645, 2179020, 2377974, 3268530, 3566961, 3963290, 4755948, 5944935, 6537060, 7133922, 7926580, 9115567, 11889870, 14267844, 17834805, 18231134, 23779740, 27346701, 35669610, 36462268, 45577835, 54693402, 71339220, 82040103, 91155670, 109386804, 136733505, 164080206, 182311340, 273467010, 328160412, 410200515, 546934020, 820401030, 1640802060]

約数ペア:

[(1, 1640802060), (2, 820401030), (3, 546934020), (4, 410200515), (5, 328160412), (6, 273467010), (9, 182311340), (10, 164080206), (12, 136733505), (15, 109386804), (18, 91155670), (20, 82040103), (23, 71339220), (30, 54693402), (36, 45577835), (45, 36462268), (46, 35669610), (60, 27346701), (69, 23779740), (90, 18231134), (92, 17834805), (115, 14267844), (138, 11889870), (180, 9115567), (207, 7926580), (230, 7133922), (251, 6537060), (276, 5944935), (345, 4755948), (414, 3963290), (460, 3566961), (502, 3268530), (690, 2377974), (753, 2179020), (828, 1981645), (1004, 1634265), (1035, 1585316), (1255, 1307412), (1380, 1188987), (1506, 1089510), (1579, 1039140), (2070, 792658), (2259, 726340), (2510, 653706), (3012, 544755), (3158, 519570), (3765, 435804), (4140, 396329), (4518, 363170), (4737, 346380), (5020, 326853), (5773, 284220), (6316, 259785), (7530, 217902), (7895, 207828), (9036, 181585), (9474, 173190), (11295, 145268), (11546, 142110), (14211, 115460), (15060, 108951), (15790, 103914), (17319, 94740), (18948, 86595), (22590, 72634), (23092, 71055), (23685, 69276), (28422, 57730), (28865, 56844), (31580, 51957), (34638, 47370), (36317, 45180)]