81494040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1153}}^1$

素因数の和:1217

約数の個数: 128

約数和(自身を含む): 265881600

約数和(自身を除く): 184387560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 62, 76, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 248, 285, 310, 372, 380, 456, 465, 570, 589, 620, 744, 760, 930, 1140, 1153, 1178, 1240, 1767, 1860, 2280, 2306, 2356, 2945, 3459, 3534, 3720, 4612, 4712, 5765, 5890, 6918, 7068, 8835, 9224, 11530, 11780, 13836, 14136, 17295, 17670, 21907, 23060, 23560, 27672, 34590, 35340, 35743, 43814, 46120, 65721, 69180, 70680, 71486, 87628, 107229, 109535, 131442, 138360, 142972, 175256, 178715, 214458, 219070, 262884, 285944, 328605, 357430, 428916, 438140, 525768, 536145, 657210, 679117, 714860, 857832, 876280, 1072290, 1314420, 1358234, 1429720, 2037351, 2144580, 2628840, 2716468, 3395585, 4074702, 4289160, 5432936, 6791170, 8149404, 10186755, 13582340, 16298808, 20373510, 27164680, 40747020, 81494040]

約数ペア:

[(1, 81494040), (2, 40747020), (3, 27164680), (4, 20373510), (5, 16298808), (6, 13582340), (8, 10186755), (10, 8149404), (12, 6791170), (15, 5432936), (19, 4289160), (20, 4074702), (24, 3395585), (30, 2716468), (31, 2628840), (38, 2144580), (40, 2037351), (57, 1429720), (60, 1358234), (62, 1314420), (76, 1072290), (93, 876280), (95, 857832), (114, 714860), (120, 679117), (124, 657210), (152, 536145), (155, 525768), (186, 438140), (190, 428916), (228, 357430), (248, 328605), (285, 285944), (310, 262884), (372, 219070), (380, 214458), (456, 178715), (465, 175256), (570, 142972), (589, 138360), (620, 131442), (744, 109535), (760, 107229), (930, 87628), (1140, 71486), (1153, 70680), (1178, 69180), (1240, 65721), (1767, 46120), (1860, 43814), (2280, 35743), (2306, 35340), (2356, 34590), (2945, 27672), (3459, 23560), (3534, 23060), (3720, 21907), (4612, 17670), (4712, 17295), (5765, 14136), (5890, 13836), (6918, 11780), (7068, 11530), (8835, 9224)]