81160170

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:205

約数の個数: 192

約数和(自身を含む): 253725696

約数和(自身を除く): 172565526

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 31, 35, 39, 42, 49, 62, 65, 70, 78, 91, 93, 98, 105, 130, 137, 147, 155, 182, 186, 195, 210, 217, 245, 273, 274, 294, 310, 390, 403, 411, 434, 455, 465, 490, 546, 637, 651, 685, 735, 806, 822, 910, 930, 959, 1085, 1209, 1274, 1302, 1365, 1370, 1470, 1519, 1781, 1911, 1918, 2015, 2055, 2170, 2418, 2730, 2821, 2877, 3038, 3185, 3255, 3562, 3822, 4030, 4110, 4247, 4557, 4795, 5343, 5642, 5754, 6045, 6370, 6510, 6713, 7595, 8463, 8494, 8905, 9114, 9555, 9590, 10686, 12090, 12467, 12741, 13426, 14105, 14385, 15190, 16926, 17810, 19110, 19747, 20139, 21235, 22785, 24934, 25482, 26715, 28210, 28770, 29729, 33565, 37401, 39494, 40278, 42315, 42470, 45570, 53430, 55211, 59241, 59458, 62335, 63705, 67130, 74802, 84630, 87269, 89187, 98735, 100695, 110422, 118482, 124670, 127410, 148645, 165633, 174538, 178374, 187005, 197470, 201390, 208103, 261807, 276055, 296205, 297290, 331266, 374010, 386477, 416206, 436345, 445935, 523614, 552110, 592410, 624309, 772954, 828165, 872690, 891870, 1040515, 1159431, 1248618, 1309035, 1656330, 1932385, 2081030, 2318862, 2618070, 2705339, 3121545, 3864770, 5410678, 5797155, 6243090, 8116017, 11594310, 13526695, 16232034, 27053390, 40580085, 81160170]

約数ペア:

[(1, 81160170), (2, 40580085), (3, 27053390), (5, 16232034), (6, 13526695), (7, 11594310), (10, 8116017), (13, 6243090), (14, 5797155), (15, 5410678), (21, 3864770), (26, 3121545), (30, 2705339), (31, 2618070), (35, 2318862), (39, 2081030), (42, 1932385), (49, 1656330), (62, 1309035), (65, 1248618), (70, 1159431), (78, 1040515), (91, 891870), (93, 872690), (98, 828165), (105, 772954), (130, 624309), (137, 592410), (147, 552110), (155, 523614), (182, 445935), (186, 436345), (195, 416206), (210, 386477), (217, 374010), (245, 331266), (273, 297290), (274, 296205), (294, 276055), (310, 261807), (390, 208103), (403, 201390), (411, 197470), (434, 187005), (455, 178374), (465, 174538), (490, 165633), (546, 148645), (637, 127410), (651, 124670), (685, 118482), (735, 110422), (806, 100695), (822, 98735), (910, 89187), (930, 87269), (959, 84630), (1085, 74802), (1209, 67130), (1274, 63705), (1302, 62335), (1365, 59458), (1370, 59241), (1470, 55211), (1519, 53430), (1781, 45570), (1911, 42470), (1918, 42315), (2015, 40278), (2055, 39494), (2170, 37401), (2418, 33565), (2730, 29729), (2821, 28770), (2877, 28210), (3038, 26715), (3185, 25482), (3255, 24934), (3562, 22785), (3822, 21235), (4030, 20139), (4110, 19747), (4247, 19110), (4557, 17810), (4795, 16926), (5343, 15190), (5642, 14385), (5754, 14105), (6045, 13426), (6370, 12741), (6510, 12467), (6713, 12090), (7595, 10686), (8463, 9590), (8494, 9555), (8905, 9114)]