31927140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{25339}}^1$

素因数の和:25361

約数の個数: 72

約数和(自身を含む): 110685120

約数和(自身を除く): 78757980

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, 25339, 50678, 76017, 101356, 126695, 152034, 177373, 228051, 253390, 304068, 354746, 380085, 456102, 506780, 532119, 709492, 760170, 886865, 912204, 1064238, 1140255, 1520340, 1596357, 1773730, 2128476, 2280510, 2660595, 3192714, 3547460, 4561020, 5321190, 6385428, 7981785, 10642380, 15963570, 31927140]

約数ペア:

[(1, 31927140), (2, 15963570), (3, 10642380), (4, 7981785), (5, 6385428), (6, 5321190), (7, 4561020), (9, 3547460), (10, 3192714), (12, 2660595), (14, 2280510), (15, 2128476), (18, 1773730), (20, 1596357), (21, 1520340), (28, 1140255), (30, 1064238), (35, 912204), (36, 886865), (42, 760170), (45, 709492), (60, 532119), (63, 506780), (70, 456102), (84, 380085), (90, 354746), (105, 304068), (126, 253390), (140, 228051), (180, 177373), (210, 152034), (252, 126695), (315, 101356), (420, 76017), (630, 50678), (1260, 25339)]