164788380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:388

約数の個数: 144

約数和(自身を含む): 520359840

約数和(自身を除く): 355571460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 109, 111, 148, 180, 185, 218, 222, 227, 327, 333, 370, 436, 444, 454, 545, 555, 654, 666, 681, 740, 908, 981, 1090, 1110, 1135, 1308, 1332, 1362, 1635, 1665, 1962, 2043, 2180, 2220, 2270, 2724, 3270, 3330, 3405, 3924, 4033, 4086, 4540, 4905, 6540, 6660, 6810, 8066, 8172, 8399, 9810, 10215, 12099, 13620, 16132, 16798, 19620, 20165, 20430, 24198, 24743, 25197, 33596, 36297, 40330, 40860, 41995, 48396, 49486, 50394, 60495, 72594, 74229, 75591, 80660, 83990, 98972, 100788, 120990, 123715, 125985, 145188, 148458, 151182, 167980, 181485, 222687, 241980, 247430, 251970, 296916, 302364, 362970, 371145, 377955, 445374, 494860, 503940, 725940, 742290, 755910, 890748, 915491, 1113435, 1484580, 1511820, 1830982, 2226870, 2746473, 3661964, 4453740, 4577455, 5492946, 8239419, 9154910, 10985892, 13732365, 16478838, 18309820, 27464730, 32957676, 41197095, 54929460, 82394190, 164788380]

約数ペア:

[(1, 164788380), (2, 82394190), (3, 54929460), (4, 41197095), (5, 32957676), (6, 27464730), (9, 18309820), (10, 16478838), (12, 13732365), (15, 10985892), (18, 9154910), (20, 8239419), (30, 5492946), (36, 4577455), (37, 4453740), (45, 3661964), (60, 2746473), (74, 2226870), (90, 1830982), (109, 1511820), (111, 1484580), (148, 1113435), (180, 915491), (185, 890748), (218, 755910), (222, 742290), (227, 725940), (327, 503940), (333, 494860), (370, 445374), (436, 377955), (444, 371145), (454, 362970), (545, 302364), (555, 296916), (654, 251970), (666, 247430), (681, 241980), (740, 222687), (908, 181485), (981, 167980), (1090, 151182), (1110, 148458), (1135, 145188), (1308, 125985), (1332, 123715), (1362, 120990), (1635, 100788), (1665, 98972), (1962, 83990), (2043, 80660), (2180, 75591), (2220, 74229), (2270, 72594), (2724, 60495), (3270, 50394), (3330, 49486), (3405, 48396), (3924, 41995), (4033, 40860), (4086, 40330), (4540, 36297), (4905, 33596), (6540, 25197), (6660, 24743), (6810, 24198), (8066, 20430), (8172, 20165), (8399, 19620), (9810, 16798), (10215, 16132), (12099, 13620)]