257432640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1171}}^1$

素因数の和:1420

約数の個数: 112

約数和(自身を含む): 821618880

約数和(自身を除く): 564186240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 229, 240, 320, 458, 480, 687, 916, 960, 1145, 1171, 1374, 1832, 2290, 2342, 2748, 3435, 3513, 3664, 4580, 4684, 5496, 5855, 6870, 7026, 7328, 9160, 9368, 10992, 11710, 13740, 14052, 14656, 17565, 18320, 18736, 21984, 23420, 27480, 28104, 35130, 36640, 37472, 43968, 46840, 54960, 56208, 70260, 73280, 74944, 93680, 109920, 112416, 140520, 187360, 219840, 224832, 268159, 281040, 374720, 536318, 562080, 804477, 1072636, 1124160, 1340795, 1608954, 2145272, 2681590, 3217908, 4022385, 4290544, 5363180, 6435816, 8044770, 8581088, 10726360, 12871632, 16089540, 17162176, 21452720, 25743264, 32179080, 42905440, 51486528, 64358160, 85810880, 128716320, 257432640]

約数ペア:

[(1, 257432640), (2, 128716320), (3, 85810880), (4, 64358160), (5, 51486528), (6, 42905440), (8, 32179080), (10, 25743264), (12, 21452720), (15, 17162176), (16, 16089540), (20, 12871632), (24, 10726360), (30, 8581088), (32, 8044770), (40, 6435816), (48, 5363180), (60, 4290544), (64, 4022385), (80, 3217908), (96, 2681590), (120, 2145272), (160, 1608954), (192, 1340795), (229, 1124160), (240, 1072636), (320, 804477), (458, 562080), (480, 536318), (687, 374720), (916, 281040), (960, 268159), (1145, 224832), (1171, 219840), (1374, 187360), (1832, 140520), (2290, 112416), (2342, 109920), (2748, 93680), (3435, 74944), (3513, 73280), (3664, 70260), (4580, 56208), (4684, 54960), (5496, 46840), (5855, 43968), (6870, 37472), (7026, 36640), (7328, 35130), (9160, 28104), (9368, 27480), (10992, 23420), (11710, 21984), (13740, 18736), (14052, 18320), (14656, 17565)]