9968531820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12780169}}^1$

素因数の和:12780194

約数の個数: 48

約数和(自身を含む): 30058959840

約数和(自身を除く): 20090428020

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, 12780169, 25560338, 38340507, 51120676, 63900845, 76681014, 127801690, 153362028, 166142197, 191702535, 255603380, 332284394, 383405070, 498426591, 664568788, 766810140, 830710985, 996853182, 1661421970, 1993706364, 2492132955, 3322843940, 4984265910, 9968531820]

約数ペア:

[(1, 9968531820), (2, 4984265910), (3, 3322843940), (4, 2492132955), (5, 1993706364), (6, 1661421970), (10, 996853182), (12, 830710985), (13, 766810140), (15, 664568788), (20, 498426591), (26, 383405070), (30, 332284394), (39, 255603380), (52, 191702535), (60, 166142197), (65, 153362028), (78, 127801690), (130, 76681014), (156, 63900845), (195, 51120676), (260, 38340507), (390, 25560338), (780, 12780169)]