15355860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19687}}^1$

素因数の和:19712

約数の個数: 48

約数和(自身を含む): 46306176

約数和(自身を除く): 30950316

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, 19687, 39374, 59061, 78748, 98435, 118122, 196870, 236244, 255931, 295305, 393740, 511862, 590610, 767793, 1023724, 1181220, 1279655, 1535586, 2559310, 3071172, 3838965, 5118620, 7677930, 15355860]

約数ペア:

[(1, 15355860), (2, 7677930), (3, 5118620), (4, 3838965), (5, 3071172), (6, 2559310), (10, 1535586), (12, 1279655), (13, 1181220), (15, 1023724), (20, 767793), (26, 590610), (30, 511862), (39, 393740), (52, 295305), (60, 255931), (65, 236244), (78, 196870), (130, 118122), (156, 98435), (195, 78748), (260, 59061), (390, 39374), (780, 19687)]