7931820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10169}}^1$

素因数の和:10194

約数の個数: 48

約数和(自身を含む): 23919840

約数和(自身を除く): 15988020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 10169, 20338, 30507, 40676, 50845, 61014, 101690, 122028, 132197, 152535, 203380, 264394, 305070, 396591, 528788, 610140, 660985, 793182, 1321970, 1586364, 1982955, 2643940, 3965910, 7931820]

約数ペア:

[(1, 7931820), (2, 3965910), (3, 2643940), (4, 1982955), (5, 1586364), (6, 1321970), (10, 793182), (12, 660985), (13, 610140), (15, 528788), (20, 396591), (26, 305070), (30, 264394), (39, 203380), (52, 152535), (60, 132197), (65, 122028), (78, 101690), (130, 61014), (156, 50845), (195, 40676), (260, 30507), (390, 20338), (780, 10169)]