19345680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:393

約数の個数: 120

約数和(自身を含む): 65875992

約数和(自身を除く): 46530312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 97, 120, 144, 180, 194, 240, 277, 291, 360, 388, 485, 554, 582, 720, 776, 831, 873, 970, 1108, 1164, 1385, 1455, 1552, 1662, 1746, 1940, 2216, 2328, 2493, 2770, 2910, 3324, 3492, 3880, 4155, 4365, 4432, 4656, 4986, 5540, 5820, 6648, 6984, 7760, 8310, 8730, 9972, 11080, 11640, 12465, 13296, 13968, 16620, 17460, 19944, 22160, 23280, 24930, 26869, 33240, 34920, 39888, 49860, 53738, 66480, 69840, 80607, 99720, 107476, 134345, 161214, 199440, 214952, 241821, 268690, 322428, 403035, 429904, 483642, 537380, 644856, 806070, 967284, 1074760, 1209105, 1289712, 1612140, 1934568, 2149520, 2418210, 3224280, 3869136, 4836420, 6448560, 9672840, 19345680]

約数ペア:

[(1, 19345680), (2, 9672840), (3, 6448560), (4, 4836420), (5, 3869136), (6, 3224280), (8, 2418210), (9, 2149520), (10, 1934568), (12, 1612140), (15, 1289712), (16, 1209105), (18, 1074760), (20, 967284), (24, 806070), (30, 644856), (36, 537380), (40, 483642), (45, 429904), (48, 403035), (60, 322428), (72, 268690), (80, 241821), (90, 214952), (97, 199440), (120, 161214), (144, 134345), (180, 107476), (194, 99720), (240, 80607), (277, 69840), (291, 66480), (360, 53738), (388, 49860), (485, 39888), (554, 34920), (582, 33240), (720, 26869), (776, 24930), (831, 23280), (873, 22160), (970, 19944), (1108, 17460), (1164, 16620), (1385, 13968), (1455, 13296), (1552, 12465), (1662, 11640), (1746, 11080), (1940, 9972), (2216, 8730), (2328, 8310), (2493, 7760), (2770, 6984), (2910, 6648), (3324, 5820), (3492, 5540), (3880, 4986), (4155, 4656), (4365, 4432)]