39940740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31699}}^1$

素因数の和:31721

約数の個数: 72

約数和(自身を含む): 138465600

約数和(自身を除く): 98524860

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, 31699, 63398, 95097, 126796, 158495, 190194, 221893, 285291, 316990, 380388, 443786, 475485, 570582, 633980, 665679, 887572, 950970, 1109465, 1141164, 1331358, 1426455, 1901940, 1997037, 2218930, 2662716, 2852910, 3328395, 3994074, 4437860, 5705820, 6656790, 7988148, 9985185, 13313580, 19970370, 39940740]

約数ペア:

[(1, 39940740), (2, 19970370), (3, 13313580), (4, 9985185), (5, 7988148), (6, 6656790), (7, 5705820), (9, 4437860), (10, 3994074), (12, 3328395), (14, 2852910), (15, 2662716), (18, 2218930), (20, 1997037), (21, 1901940), (28, 1426455), (30, 1331358), (35, 1141164), (36, 1109465), (42, 950970), (45, 887572), (60, 665679), (63, 633980), (70, 570582), (84, 475485), (90, 443786), (105, 380388), (126, 316990), (140, 285291), (180, 221893), (210, 190194), (252, 158495), (315, 126796), (420, 95097), (630, 63398), (1260, 31699)]