261801120

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{11131}}^1$

素因数の和:11163

約数の個数: 144

約数和(自身を含む): 959400288

約数和(自身を除く): 697599168

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 11131, 11760, 22262, 23520, 33393, 44524, 55655, 66786, 77917, 89048, 111310, 133572, 155834, 166965, 178096, 222620, 233751, 267144, 311668, 333930, 356192, 389585, 445240, 467502, 534288, 545419, 623336, 667860, 779170, 890480, 935004, 1068576, 1090838, 1168755, 1246672, 1335720, 1558340, 1636257, 1780960, 1870008, 2181676, 2337510, 2493344, 2671440, 2727095, 3116680, 3272514, 3740016, 4363352, 4675020, 5342880, 5454190, 6233360, 6545028, 7480032, 8181285, 8726704, 9350040, 10908380, 12466720, 13090056, 16362570, 17453408, 18700080, 21816760, 26180112, 32725140, 37400160, 43633520, 52360224, 65450280, 87267040, 130900560, 261801120]

約数ペア:

[(1, 261801120), (2, 130900560), (3, 87267040), (4, 65450280), (5, 52360224), (6, 43633520), (7, 37400160), (8, 32725140), (10, 26180112), (12, 21816760), (14, 18700080), (15, 17453408), (16, 16362570), (20, 13090056), (21, 12466720), (24, 10908380), (28, 9350040), (30, 8726704), (32, 8181285), (35, 7480032), (40, 6545028), (42, 6233360), (48, 5454190), (49, 5342880), (56, 4675020), (60, 4363352), (70, 3740016), (80, 3272514), (84, 3116680), (96, 2727095), (98, 2671440), (105, 2493344), (112, 2337510), (120, 2181676), (140, 1870008), (147, 1780960), (160, 1636257), (168, 1558340), (196, 1335720), (210, 1246672), (224, 1168755), (240, 1090838), (245, 1068576), (280, 935004), (294, 890480), (336, 779170), (392, 667860), (420, 623336), (480, 545419), (490, 534288), (560, 467502), (588, 445240), (672, 389585), (735, 356192), (784, 333930), (840, 311668), (980, 267144), (1120, 233751), (1176, 222620), (1470, 178096), (1568, 166965), (1680, 155834), (1960, 133572), (2352, 111310), (2940, 89048), (3360, 77917), (3920, 66786), (4704, 55655), (5880, 44524), (7840, 33393), (11131, 23520), (11760, 22262)]