87445890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:357

約数の個数: 144

約数和(自身を含む): 268894080

約数和(自身を除く): 181448190

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 79, 90, 98, 105, 126, 147, 158, 210, 237, 245, 251, 294, 315, 395, 441, 474, 490, 502, 553, 630, 711, 735, 753, 790, 882, 1106, 1185, 1255, 1422, 1470, 1506, 1659, 1757, 2205, 2259, 2370, 2510, 2765, 3318, 3514, 3555, 3765, 3871, 4410, 4518, 4977, 5271, 5530, 7110, 7530, 7742, 8295, 8785, 9954, 10542, 11295, 11613, 12299, 15813, 16590, 17570, 19355, 19829, 22590, 23226, 24598, 24885, 26355, 31626, 34839, 36897, 38710, 39658, 49770, 52710, 58065, 59487, 61495, 69678, 73794, 79065, 99145, 110691, 116130, 118974, 122990, 138803, 158130, 174195, 178461, 184485, 198290, 221382, 277606, 297435, 348390, 356922, 368970, 416409, 553455, 594870, 694015, 832818, 892305, 971621, 1106910, 1249227, 1388030, 1784610, 1943242, 2082045, 2498454, 2914863, 4164090, 4858105, 5829726, 6246135, 8744589, 9716210, 12492270, 14574315, 17489178, 29148630, 43722945, 87445890]

約数ペア:

[(1, 87445890), (2, 43722945), (3, 29148630), (5, 17489178), (6, 14574315), (7, 12492270), (9, 9716210), (10, 8744589), (14, 6246135), (15, 5829726), (18, 4858105), (21, 4164090), (30, 2914863), (35, 2498454), (42, 2082045), (45, 1943242), (49, 1784610), (63, 1388030), (70, 1249227), (79, 1106910), (90, 971621), (98, 892305), (105, 832818), (126, 694015), (147, 594870), (158, 553455), (210, 416409), (237, 368970), (245, 356922), (251, 348390), (294, 297435), (315, 277606), (395, 221382), (441, 198290), (474, 184485), (490, 178461), (502, 174195), (553, 158130), (630, 138803), (711, 122990), (735, 118974), (753, 116130), (790, 110691), (882, 99145), (1106, 79065), (1185, 73794), (1255, 69678), (1422, 61495), (1470, 59487), (1506, 58065), (1659, 52710), (1757, 49770), (2205, 39658), (2259, 38710), (2370, 36897), (2510, 34839), (2765, 31626), (3318, 26355), (3514, 24885), (3555, 24598), (3765, 23226), (3871, 22590), (4410, 19829), (4518, 19355), (4977, 17570), (5271, 16590), (5530, 15813), (7110, 12299), (7530, 11613), (7742, 11295), (8295, 10542), (8785, 9954)]