178801740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1777}}^1$

素因数の和:1848

約数の個数: 144

約数和(自身を含む): 598005408

約数和(自身を除く): 419203668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 43, 45, 52, 60, 65, 78, 86, 90, 117, 129, 130, 156, 172, 180, 195, 215, 234, 258, 260, 387, 390, 430, 468, 516, 559, 585, 645, 774, 780, 860, 1118, 1170, 1290, 1548, 1677, 1777, 1935, 2236, 2340, 2580, 2795, 3354, 3554, 3870, 5031, 5331, 5590, 6708, 7108, 7740, 8385, 8885, 10062, 10662, 11180, 15993, 16770, 17770, 20124, 21324, 23101, 25155, 26655, 31986, 33540, 35540, 46202, 50310, 53310, 63972, 69303, 76411, 79965, 92404, 100620, 106620, 115505, 138606, 152822, 159930, 207909, 229233, 231010, 277212, 305644, 319860, 346515, 382055, 415818, 458466, 462020, 687699, 693030, 764110, 831636, 916932, 993343, 1039545, 1146165, 1375398, 1386060, 1528220, 1986686, 2079090, 2292330, 2750796, 2980029, 3438495, 3973372, 4158180, 4584660, 4966715, 5960058, 6876990, 8940087, 9933430, 11920116, 13753980, 14900145, 17880174, 19866860, 29800290, 35760348, 44700435, 59600580, 89400870, 178801740]

約数ペア:

[(1, 178801740), (2, 89400870), (3, 59600580), (4, 44700435), (5, 35760348), (6, 29800290), (9, 19866860), (10, 17880174), (12, 14900145), (13, 13753980), (15, 11920116), (18, 9933430), (20, 8940087), (26, 6876990), (30, 5960058), (36, 4966715), (39, 4584660), (43, 4158180), (45, 3973372), (52, 3438495), (60, 2980029), (65, 2750796), (78, 2292330), (86, 2079090), (90, 1986686), (117, 1528220), (129, 1386060), (130, 1375398), (156, 1146165), (172, 1039545), (180, 993343), (195, 916932), (215, 831636), (234, 764110), (258, 693030), (260, 687699), (387, 462020), (390, 458466), (430, 415818), (468, 382055), (516, 346515), (559, 319860), (585, 305644), (645, 277212), (774, 231010), (780, 229233), (860, 207909), (1118, 159930), (1170, 152822), (1290, 138606), (1548, 115505), (1677, 106620), (1777, 100620), (1935, 92404), (2236, 79965), (2340, 76411), (2580, 69303), (2795, 63972), (3354, 53310), (3554, 50310), (3870, 46202), (5031, 35540), (5331, 33540), (5590, 31986), (6708, 26655), (7108, 25155), (7740, 23101), (8385, 21324), (8885, 20124), (10062, 17770), (10662, 16770), (11180, 15993)]