305447280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1949}}^1$

素因数の和:2618

約数の個数: 80

約数和(自身を含む): 948823200

約数和(自身を除く): 643375920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 653, 1306, 1949, 1959, 2612, 3265, 3898, 3918, 5224, 5847, 6530, 7796, 7836, 9745, 9795, 10448, 11694, 13060, 15592, 15672, 19490, 19590, 23388, 26120, 29235, 31184, 31344, 38980, 39180, 46776, 52240, 58470, 77960, 78360, 93552, 116940, 155920, 156720, 233880, 467760, 1272697, 2545394, 3818091, 5090788, 6363485, 7636182, 10181576, 12726970, 15272364, 19090455, 20363152, 25453940, 30544728, 38180910, 50907880, 61089456, 76361820, 101815760, 152723640, 305447280]

約数ペア:

[(1, 305447280), (2, 152723640), (3, 101815760), (4, 76361820), (5, 61089456), (6, 50907880), (8, 38180910), (10, 30544728), (12, 25453940), (15, 20363152), (16, 19090455), (20, 15272364), (24, 12726970), (30, 10181576), (40, 7636182), (48, 6363485), (60, 5090788), (80, 3818091), (120, 2545394), (240, 1272697), (653, 467760), (1306, 233880), (1949, 156720), (1959, 155920), (2612, 116940), (3265, 93552), (3898, 78360), (3918, 77960), (5224, 58470), (5847, 52240), (6530, 46776), (7796, 39180), (7836, 38980), (9745, 31344), (9795, 31184), (10448, 29235), (11694, 26120), (13060, 23388), (15592, 19590), (15672, 19490)]