218215920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69941}}^1$

素因数の和:69970

約数の個数: 80

約数和(自身を含む): 728515872

約数和(自身を除く): 510299952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 69941, 139882, 209823, 279764, 349705, 419646, 559528, 699410, 839292, 909233, 1049115, 1119056, 1398820, 1678584, 1818466, 2098230, 2727699, 2797640, 3357168, 3636932, 4196460, 4546165, 5455398, 5595280, 7273864, 8392920, 9092330, 10910796, 13638495, 14547728, 16785840, 18184660, 21821592, 27276990, 36369320, 43643184, 54553980, 72738640, 109107960, 218215920]

約数ペア:

[(1, 218215920), (2, 109107960), (3, 72738640), (4, 54553980), (5, 43643184), (6, 36369320), (8, 27276990), (10, 21821592), (12, 18184660), (13, 16785840), (15, 14547728), (16, 13638495), (20, 10910796), (24, 9092330), (26, 8392920), (30, 7273864), (39, 5595280), (40, 5455398), (48, 4546165), (52, 4196460), (60, 3636932), (65, 3357168), (78, 2797640), (80, 2727699), (104, 2098230), (120, 1818466), (130, 1678584), (156, 1398820), (195, 1119056), (208, 1049115), (240, 909233), (260, 839292), (312, 699410), (390, 559528), (520, 419646), (624, 349705), (780, 279764), (1040, 209823), (1560, 139882), (3120, 69941)]