279454440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{613}}^1$

素因数の和:787

約数の個数: 128

約数和(自身を含む): 875318400

約数和(自身を除く): 595863960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 131, 145, 174, 232, 262, 290, 348, 393, 435, 524, 580, 613, 655, 696, 786, 870, 1048, 1160, 1226, 1310, 1572, 1740, 1839, 1965, 2452, 2620, 3065, 3144, 3480, 3678, 3799, 3930, 4904, 5240, 6130, 7356, 7598, 7860, 9195, 11397, 12260, 14712, 15196, 15720, 17777, 18390, 18995, 22794, 24520, 30392, 35554, 36780, 37990, 45588, 53331, 56985, 71108, 73560, 75980, 80303, 88885, 91176, 106662, 113970, 142216, 151960, 160606, 177770, 213324, 227940, 240909, 266655, 321212, 355540, 401515, 426648, 455880, 481818, 533310, 642424, 711080, 803030, 963636, 1066620, 1204545, 1606060, 1927272, 2133240, 2328787, 2409090, 3212120, 4657574, 4818180, 6986361, 9315148, 9636360, 11643935, 13972722, 18630296, 23287870, 27945444, 34931805, 46575740, 55890888, 69863610, 93151480, 139727220, 279454440]

約数ペア:

[(1, 279454440), (2, 139727220), (3, 93151480), (4, 69863610), (5, 55890888), (6, 46575740), (8, 34931805), (10, 27945444), (12, 23287870), (15, 18630296), (20, 13972722), (24, 11643935), (29, 9636360), (30, 9315148), (40, 6986361), (58, 4818180), (60, 4657574), (87, 3212120), (116, 2409090), (120, 2328787), (131, 2133240), (145, 1927272), (174, 1606060), (232, 1204545), (262, 1066620), (290, 963636), (348, 803030), (393, 711080), (435, 642424), (524, 533310), (580, 481818), (613, 455880), (655, 426648), (696, 401515), (786, 355540), (870, 321212), (1048, 266655), (1160, 240909), (1226, 227940), (1310, 213324), (1572, 177770), (1740, 160606), (1839, 151960), (1965, 142216), (2452, 113970), (2620, 106662), (3065, 91176), (3144, 88885), (3480, 80303), (3678, 75980), (3799, 73560), (3930, 71108), (4904, 56985), (5240, 53331), (6130, 45588), (7356, 37990), (7598, 36780), (7860, 35554), (9195, 30392), (11397, 24520), (12260, 22794), (14712, 18995), (15196, 18390), (15720, 17777)]