1639769820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:229

約数の個数: 288

約数和(自身を含む): 5312563200

約数和(自身を除く): 3672793380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 26, 30, 39, 46, 52, 60, 65, 69, 78, 79, 89, 92, 115, 130, 138, 156, 158, 169, 178, 195, 230, 237, 260, 267, 276, 299, 316, 338, 345, 356, 390, 395, 445, 460, 474, 507, 534, 598, 676, 690, 780, 790, 845, 890, 897, 948, 1014, 1027, 1068, 1157, 1185, 1196, 1335, 1380, 1495, 1580, 1690, 1780, 1794, 1817, 2028, 2047, 2054, 2314, 2370, 2535, 2670, 2990, 3081, 3380, 3471, 3588, 3634, 3887, 4094, 4108, 4485, 4628, 4740, 5070, 5135, 5340, 5451, 5785, 5980, 6141, 6162, 6942, 7031, 7268, 7774, 8188, 8970, 9085, 10140, 10235, 10270, 10902, 11570, 11661, 12282, 12324, 13351, 13884, 14062, 15041, 15405, 15548, 17355, 17940, 18170, 19435, 20470, 20540, 21093, 21804, 23140, 23322, 23621, 24564, 26611, 26702, 27255, 28124, 30082, 30705, 30810, 34710, 35155, 36340, 38870, 40053, 40940, 42186, 45123, 46644, 47242, 53222, 53404, 54510, 58305, 60164, 61410, 61620, 66755, 69420, 70310, 70863, 75205, 77740, 79833, 80106, 84372, 90246, 91403, 94484, 105465, 106444, 109020, 116610, 118105, 122820, 133055, 133510, 140620, 141726, 150410, 159666, 160212, 161713, 180492, 182806, 200265, 210930, 225615, 233220, 236210, 266110, 267020, 274209, 283452, 300820, 307073, 319332, 323426, 345943, 354315, 365612, 399165, 400530, 421860, 451230, 457015, 472420, 485139, 532220, 548418, 614146, 646852, 691886, 708630, 798330, 801060, 808565, 902460, 914030, 921219, 970278, 1037829, 1096836, 1188239, 1228292, 1371045, 1383772, 1417260, 1535365, 1596660, 1617130, 1729715, 1828060, 1842438, 1940556, 2075658, 2102269, 2376478, 2425695, 2742090, 3070730, 3234260, 3459430, 3564717, 3684876, 4151316, 4204538, 4606095, 4752956, 4851390, 5189145, 5484180, 5941195, 6141460, 6306807, 6918860, 7129434, 8409076, 9212190, 9702780, 10378290, 10511345, 11882390, 12613614, 14258868, 17823585, 18424380, 20756580, 21022690, 23764780, 25227228, 27329497, 31534035, 35647170, 42045380, 54658994, 63068070, 71294340, 81988491, 109317988, 126136140, 136647485, 163976982, 273294970, 327953964, 409942455, 546589940, 819884910, 1639769820]

約数ペア:

[(1, 1639769820), (2, 819884910), (3, 546589940), (4, 409942455), (5, 327953964), (6, 273294970), (10, 163976982), (12, 136647485), (13, 126136140), (15, 109317988), (20, 81988491), (23, 71294340), (26, 63068070), (30, 54658994), (39, 42045380), (46, 35647170), (52, 31534035), (60, 27329497), (65, 25227228), (69, 23764780), (78, 21022690), (79, 20756580), (89, 18424380), (92, 17823585), (115, 14258868), (130, 12613614), (138, 11882390), (156, 10511345), (158, 10378290), (169, 9702780), (178, 9212190), (195, 8409076), (230, 7129434), (237, 6918860), (260, 6306807), (267, 6141460), (276, 5941195), (299, 5484180), (316, 5189145), (338, 4851390), (345, 4752956), (356, 4606095), (390, 4204538), (395, 4151316), (445, 3684876), (460, 3564717), (474, 3459430), (507, 3234260), (534, 3070730), (598, 2742090), (676, 2425695), (690, 2376478), (780, 2102269), (790, 2075658), (845, 1940556), (890, 1842438), (897, 1828060), (948, 1729715), (1014, 1617130), (1027, 1596660), (1068, 1535365), (1157, 1417260), (1185, 1383772), (1196, 1371045), (1335, 1228292), (1380, 1188239), (1495, 1096836), (1580, 1037829), (1690, 970278), (1780, 921219), (1794, 914030), (1817, 902460), (2028, 808565), (2047, 801060), (2054, 798330), (2314, 708630), (2370, 691886), (2535, 646852), (2670, 614146), (2990, 548418), (3081, 532220), (3380, 485139), (3471, 472420), (3588, 457015), (3634, 451230), (3887, 421860), (4094, 400530), (4108, 399165), (4485, 365612), (4628, 354315), (4740, 345943), (5070, 323426), (5135, 319332), (5340, 307073), (5451, 300820), (5785, 283452), (5980, 274209), (6141, 267020), (6162, 266110), (6942, 236210), (7031, 233220), (7268, 225615), (7774, 210930), (8188, 200265), (8970, 182806), (9085, 180492), (10140, 161713), (10235, 160212), (10270, 159666), (10902, 150410), (11570, 141726), (11661, 140620), (12282, 133510), (12324, 133055), (13351, 122820), (13884, 118105), (14062, 116610), (15041, 109020), (15405, 106444), (15548, 105465), (17355, 94484), (17940, 91403), (18170, 90246), (19435, 84372), (20470, 80106), (20540, 79833), (21093, 77740), (21804, 75205), (23140, 70863), (23322, 70310), (23621, 69420), (24564, 66755), (26611, 61620), (26702, 61410), (27255, 60164), (28124, 58305), (30082, 54510), (30705, 53404), (30810, 53222), (34710, 47242), (35155, 46644), (36340, 45123), (38870, 42186), (40053, 40940)]