31345020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{24877}}^1$

素因数の和:24899

約数の個数: 72

約数和(自身を含む): 108667104

約数和(自身を除く): 77322084

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 24877, 49754, 74631, 99508, 124385, 149262, 174139, 223893, 248770, 298524, 348278, 373155, 447786, 497540, 522417, 696556, 746310, 870695, 895572, 1044834, 1119465, 1492620, 1567251, 1741390, 2089668, 2238930, 2612085, 3134502, 3482780, 4477860, 5224170, 6269004, 7836255, 10448340, 15672510, 31345020]

約数ペア:

[(1, 31345020), (2, 15672510), (3, 10448340), (4, 7836255), (5, 6269004), (6, 5224170), (7, 4477860), (9, 3482780), (10, 3134502), (12, 2612085), (14, 2238930), (15, 2089668), (18, 1741390), (20, 1567251), (21, 1492620), (28, 1119465), (30, 1044834), (35, 895572), (36, 870695), (42, 746310), (45, 696556), (60, 522417), (63, 497540), (70, 447786), (84, 373155), (90, 348278), (105, 298524), (126, 248770), (140, 223893), (180, 174139), (210, 149262), (252, 124385), (315, 99508), (420, 74631), (630, 49754), (1260, 24877)]