1278416100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{327799}}^1$

素因数の和:327829

約数の個数: 72

約数和(自身を含む): 3983425600

約数和(自身を除く): 2705009500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 327799, 655598, 983397, 1311196, 1638995, 1966794, 3277990, 3933588, 4261387, 4916985, 6555980, 8194975, 8522774, 9833970, 12784161, 16389950, 17045548, 19667940, 21306935, 24584925, 25568322, 32779900, 42613870, 49169850, 51136644, 63920805, 85227740, 98339700, 106534675, 127841610, 213069350, 255683220, 319604025, 426138700, 639208050, 1278416100]

約数ペア:

[(1, 1278416100), (2, 639208050), (3, 426138700), (4, 319604025), (5, 255683220), (6, 213069350), (10, 127841610), (12, 106534675), (13, 98339700), (15, 85227740), (20, 63920805), (25, 51136644), (26, 49169850), (30, 42613870), (39, 32779900), (50, 25568322), (52, 24584925), (60, 21306935), (65, 19667940), (75, 17045548), (78, 16389950), (100, 12784161), (130, 9833970), (150, 8522774), (156, 8194975), (195, 6555980), (260, 4916985), (300, 4261387), (325, 3933588), (390, 3277990), (650, 1966794), (780, 1638995), (975, 1311196), (1300, 983397), (1950, 655598), (3900, 327799)]