30706620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{647}}^1$

素因数の和:779

約数の個数: 96

約数和(自身を含む): 99283968

約数和(自身を除く): 68577348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 113, 140, 210, 226, 339, 420, 452, 565, 647, 678, 791, 1130, 1294, 1356, 1582, 1695, 1941, 2260, 2373, 2588, 3164, 3235, 3390, 3882, 3955, 4529, 4746, 6470, 6780, 7764, 7910, 9058, 9492, 9705, 11865, 12940, 13587, 15820, 18116, 19410, 22645, 23730, 27174, 38820, 45290, 47460, 54348, 67935, 73111, 90580, 135870, 146222, 219333, 271740, 292444, 365555, 438666, 511777, 731110, 877332, 1023554, 1096665, 1462220, 1535331, 2047108, 2193330, 2558885, 3070662, 4386660, 5117770, 6141324, 7676655, 10235540, 15353310, 30706620]

約数ペア:

[(1, 30706620), (2, 15353310), (3, 10235540), (4, 7676655), (5, 6141324), (6, 5117770), (7, 4386660), (10, 3070662), (12, 2558885), (14, 2193330), (15, 2047108), (20, 1535331), (21, 1462220), (28, 1096665), (30, 1023554), (35, 877332), (42, 731110), (60, 511777), (70, 438666), (84, 365555), (105, 292444), (113, 271740), (140, 219333), (210, 146222), (226, 135870), (339, 90580), (420, 73111), (452, 67935), (565, 54348), (647, 47460), (678, 45290), (791, 38820), (1130, 27174), (1294, 23730), (1356, 22645), (1582, 19410), (1695, 18116), (1941, 15820), (2260, 13587), (2373, 12940), (2588, 11865), (3164, 9705), (3235, 9492), (3390, 9058), (3882, 7910), (3955, 7764), (4529, 6780), (4746, 6470)]