178798920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{269}}^1$

素因数の和:503

約数の個数: 128

約数和(自身を含む): 559872000

約数和(自身を除く): 381073080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 191, 232, 269, 290, 348, 382, 435, 538, 573, 580, 696, 764, 807, 870, 955, 1076, 1146, 1160, 1345, 1528, 1614, 1740, 1910, 2152, 2292, 2690, 2865, 3228, 3480, 3820, 4035, 4584, 5380, 5539, 5730, 6456, 7640, 7801, 8070, 10760, 11078, 11460, 15602, 16140, 16617, 22156, 22920, 23403, 27695, 31204, 32280, 33234, 39005, 44312, 46806, 51379, 55390, 62408, 66468, 78010, 83085, 93612, 102758, 110780, 117015, 132936, 154137, 156020, 166170, 187224, 205516, 221560, 234030, 256895, 308274, 312040, 332340, 411032, 468060, 513790, 616548, 664680, 770685, 936120, 1027580, 1233096, 1489991, 1541370, 2055160, 2979982, 3082740, 4469973, 5959964, 6165480, 7449955, 8939946, 11919928, 14899910, 17879892, 22349865, 29799820, 35759784, 44699730, 59599640, 89399460, 178798920]

約数ペア:

[(1, 178798920), (2, 89399460), (3, 59599640), (4, 44699730), (5, 35759784), (6, 29799820), (8, 22349865), (10, 17879892), (12, 14899910), (15, 11919928), (20, 8939946), (24, 7449955), (29, 6165480), (30, 5959964), (40, 4469973), (58, 3082740), (60, 2979982), (87, 2055160), (116, 1541370), (120, 1489991), (145, 1233096), (174, 1027580), (191, 936120), (232, 770685), (269, 664680), (290, 616548), (348, 513790), (382, 468060), (435, 411032), (538, 332340), (573, 312040), (580, 308274), (696, 256895), (764, 234030), (807, 221560), (870, 205516), (955, 187224), (1076, 166170), (1146, 156020), (1160, 154137), (1345, 132936), (1528, 117015), (1614, 110780), (1740, 102758), (1910, 93612), (2152, 83085), (2292, 78010), (2690, 66468), (2865, 62408), (3228, 55390), (3480, 51379), (3820, 46806), (4035, 44312), (4584, 39005), (5380, 33234), (5539, 32280), (5730, 31204), (6456, 27695), (7640, 23403), (7801, 22920), (8070, 22156), (10760, 16617), (11078, 16140), (11460, 15602)]