81043830

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{653}}^1$

素因数の和:870

約数の個数: 96

約数和(自身を含む): 242409024

約数和(自身を除く): 161365194

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 197, 210, 315, 394, 591, 630, 653, 985, 1182, 1306, 1379, 1773, 1959, 1970, 2758, 2955, 3265, 3546, 3918, 4137, 4571, 5877, 5910, 6530, 6895, 8274, 8865, 9142, 9795, 11754, 12411, 13713, 13790, 17730, 19590, 20685, 22855, 24822, 27426, 29385, 41139, 41370, 45710, 58770, 62055, 68565, 82278, 124110, 128641, 137130, 205695, 257282, 385923, 411390, 643205, 771846, 900487, 1157769, 1286410, 1800974, 1929615, 2315538, 2701461, 3859230, 4502435, 5402922, 5788845, 8104383, 9004870, 11577690, 13507305, 16208766, 27014610, 40521915, 81043830]

約数ペア:

[(1, 81043830), (2, 40521915), (3, 27014610), (5, 16208766), (6, 13507305), (7, 11577690), (9, 9004870), (10, 8104383), (14, 5788845), (15, 5402922), (18, 4502435), (21, 3859230), (30, 2701461), (35, 2315538), (42, 1929615), (45, 1800974), (63, 1286410), (70, 1157769), (90, 900487), (105, 771846), (126, 643205), (197, 411390), (210, 385923), (315, 257282), (394, 205695), (591, 137130), (630, 128641), (653, 124110), (985, 82278), (1182, 68565), (1306, 62055), (1379, 58770), (1773, 45710), (1959, 41370), (1970, 41139), (2758, 29385), (2955, 27426), (3265, 24822), (3546, 22855), (3918, 20685), (4137, 19590), (4571, 17730), (5877, 13790), (5910, 13713), (6530, 12411), (6895, 11754), (8274, 9795), (8865, 9142)]