81270420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{359}}^1$

素因数の和:403

約数の個数: 192

約数和(自身を含む): 290304000

約数和(自身を除く): 209033580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 132, 140, 147, 154, 165, 196, 210, 220, 231, 245, 294, 308, 330, 343, 359, 385, 420, 462, 490, 539, 588, 660, 686, 718, 735, 770, 924, 980, 1029, 1077, 1078, 1155, 1372, 1436, 1470, 1540, 1617, 1715, 1795, 2058, 2154, 2156, 2310, 2513, 2695, 2940, 3234, 3430, 3590, 3773, 3949, 4116, 4308, 4620, 5026, 5145, 5385, 5390, 6468, 6860, 7180, 7539, 7546, 7898, 8085, 10052, 10290, 10770, 10780, 11319, 11847, 12565, 15078, 15092, 15796, 16170, 17591, 18865, 19745, 20580, 21540, 22638, 23694, 25130, 27643, 30156, 32340, 35182, 37695, 37730, 39490, 45276, 47388, 50260, 52773, 55286, 56595, 59235, 70364, 75390, 75460, 78980, 82929, 87955, 105546, 110572, 113190, 118470, 123137, 138215, 150780, 165858, 175910, 193501, 211092, 226380, 236940, 246274, 263865, 276430, 331716, 351820, 369411, 387002, 414645, 492548, 527730, 552860, 580503, 615685, 738822, 774004, 829290, 967505, 1055460, 1161006, 1231370, 1354507, 1477644, 1658580, 1847055, 1935010, 2322012, 2462740, 2709014, 2902515, 3694110, 3870020, 4063521, 5418028, 5805030, 6772535, 7388220, 8127042, 11610060, 13545070, 16254084, 20317605, 27090140, 40635210, 81270420]

約数ペア:

[(1, 81270420), (2, 40635210), (3, 27090140), (4, 20317605), (5, 16254084), (6, 13545070), (7, 11610060), (10, 8127042), (11, 7388220), (12, 6772535), (14, 5805030), (15, 5418028), (20, 4063521), (21, 3870020), (22, 3694110), (28, 2902515), (30, 2709014), (33, 2462740), (35, 2322012), (42, 1935010), (44, 1847055), (49, 1658580), (55, 1477644), (60, 1354507), (66, 1231370), (70, 1161006), (77, 1055460), (84, 967505), (98, 829290), (105, 774004), (110, 738822), (132, 615685), (140, 580503), (147, 552860), (154, 527730), (165, 492548), (196, 414645), (210, 387002), (220, 369411), (231, 351820), (245, 331716), (294, 276430), (308, 263865), (330, 246274), (343, 236940), (359, 226380), (385, 211092), (420, 193501), (462, 175910), (490, 165858), (539, 150780), (588, 138215), (660, 123137), (686, 118470), (718, 113190), (735, 110572), (770, 105546), (924, 87955), (980, 82929), (1029, 78980), (1077, 75460), (1078, 75390), (1155, 70364), (1372, 59235), (1436, 56595), (1470, 55286), (1540, 52773), (1617, 50260), (1715, 47388), (1795, 45276), (2058, 39490), (2154, 37730), (2156, 37695), (2310, 35182), (2513, 32340), (2695, 30156), (2940, 27643), (3234, 25130), (3430, 23694), (3590, 22638), (3773, 21540), (3949, 20580), (4116, 19745), (4308, 18865), (4620, 17591), (5026, 16170), (5145, 15796), (5385, 15092), (5390, 15078), (6468, 12565), (6860, 11847), (7180, 11319), (7539, 10780), (7546, 10770), (7898, 10290), (8085, 10052)]