81562950

素因数分解:

$2^1\times 3^5\times 5^2\times 7^2\times {\mathrm{137}}^1$

素因数の和:178

約数の個数: 216

約数和(自身を含む): 266279832

約数和(自身を除く): 184716882

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 49, 50, 54, 63, 70, 75, 81, 90, 98, 105, 126, 135, 137, 147, 150, 162, 175, 189, 210, 225, 243, 245, 270, 274, 294, 315, 350, 378, 405, 411, 441, 450, 486, 490, 525, 567, 630, 675, 685, 735, 810, 822, 882, 945, 959, 1050, 1134, 1215, 1225, 1233, 1323, 1350, 1370, 1470, 1575, 1701, 1890, 1918, 2025, 2055, 2205, 2430, 2450, 2466, 2646, 2835, 2877, 3150, 3402, 3425, 3675, 3699, 3969, 4050, 4110, 4410, 4725, 4795, 5670, 5754, 6075, 6165, 6615, 6713, 6850, 7350, 7398, 7938, 8505, 8631, 9450, 9590, 10275, 11025, 11097, 11907, 12150, 12330, 13230, 13426, 14175, 14385, 17010, 17262, 18495, 19845, 20139, 20550, 22050, 22194, 23814, 23975, 25893, 28350, 28770, 30825, 33075, 33291, 33565, 36990, 39690, 40278, 42525, 43155, 47950, 51786, 55485, 59535, 60417, 61650, 66150, 66582, 67130, 71925, 77679, 85050, 86310, 92475, 99225, 100695, 110970, 119070, 120834, 129465, 143850, 155358, 166455, 167825, 181251, 184950, 198450, 201390, 215775, 233037, 258930, 277425, 297675, 302085, 332910, 335650, 362502, 388395, 431550, 466074, 503475, 543753, 554850, 595350, 604170, 647325, 776790, 832275, 906255, 1006950, 1087506, 1165185, 1294650, 1510425, 1631259, 1664550, 1812510, 1941975, 2330370, 2718765, 3020850, 3262518, 3883950, 4531275, 5437530, 5825925, 8156295, 9062550, 11651850, 13593825, 16312590, 27187650, 40781475, 81562950]

約数ペア:

[(1, 81562950), (2, 40781475), (3, 27187650), (5, 16312590), (6, 13593825), (7, 11651850), (9, 9062550), (10, 8156295), (14, 5825925), (15, 5437530), (18, 4531275), (21, 3883950), (25, 3262518), (27, 3020850), (30, 2718765), (35, 2330370), (42, 1941975), (45, 1812510), (49, 1664550), (50, 1631259), (54, 1510425), (63, 1294650), (70, 1165185), (75, 1087506), (81, 1006950), (90, 906255), (98, 832275), (105, 776790), (126, 647325), (135, 604170), (137, 595350), (147, 554850), (150, 543753), (162, 503475), (175, 466074), (189, 431550), (210, 388395), (225, 362502), (243, 335650), (245, 332910), (270, 302085), (274, 297675), (294, 277425), (315, 258930), (350, 233037), (378, 215775), (405, 201390), (411, 198450), (441, 184950), (450, 181251), (486, 167825), (490, 166455), (525, 155358), (567, 143850), (630, 129465), (675, 120834), (685, 119070), (735, 110970), (810, 100695), (822, 99225), (882, 92475), (945, 86310), (959, 85050), (1050, 77679), (1134, 71925), (1215, 67130), (1225, 66582), (1233, 66150), (1323, 61650), (1350, 60417), (1370, 59535), (1470, 55485), (1575, 51786), (1701, 47950), (1890, 43155), (1918, 42525), (2025, 40278), (2055, 39690), (2205, 36990), (2430, 33565), (2450, 33291), (2466, 33075), (2646, 30825), (2835, 28770), (2877, 28350), (3150, 25893), (3402, 23975), (3425, 23814), (3675, 22194), (3699, 22050), (3969, 20550), (4050, 20139), (4110, 19845), (4410, 18495), (4725, 17262), (4795, 17010), (5670, 14385), (5754, 14175), (6075, 13426), (6165, 13230), (6615, 12330), (6713, 12150), (6850, 11907), (7350, 11097), (7398, 11025), (7938, 10275), (8505, 9590), (8631, 9450)]