291247740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{13597}}^1$

素因数の和:13636

約数の個数: 144

約数和(自身を含む): 1069129152

約数和(自身を除く): 777881412

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 4284, 5355, 7140, 10710, 13597, 21420, 27194, 40791, 54388, 67985, 81582, 95179, 122373, 135970, 163164, 190358, 203955, 231149, 244746, 271940, 285537, 380716, 407910, 462298, 475895, 489492, 571074, 611865, 693447, 815820, 856611, 924596, 951790, 1142148, 1155745, 1223730, 1386894, 1427685, 1618043, 1713222, 1903580, 2080341, 2311490, 2447460, 2773788, 2855370, 3236086, 3426444, 3467235, 4160682, 4283055, 4622980, 4854129, 5710740, 6472172, 6934470, 8090215, 8321364, 8566110, 9708258, 10401705, 13868940, 14562387, 16180430, 17132220, 19416516, 20803410, 24270645, 29124774, 32360860, 41606820, 48541290, 58249548, 72811935, 97082580, 145623870, 291247740]

約数ペア:

[(1, 291247740), (2, 145623870), (3, 97082580), (4, 72811935), (5, 58249548), (6, 48541290), (7, 41606820), (9, 32360860), (10, 29124774), (12, 24270645), (14, 20803410), (15, 19416516), (17, 17132220), (18, 16180430), (20, 14562387), (21, 13868940), (28, 10401705), (30, 9708258), (34, 8566110), (35, 8321364), (36, 8090215), (42, 6934470), (45, 6472172), (51, 5710740), (60, 4854129), (63, 4622980), (68, 4283055), (70, 4160682), (84, 3467235), (85, 3426444), (90, 3236086), (102, 2855370), (105, 2773788), (119, 2447460), (126, 2311490), (140, 2080341), (153, 1903580), (170, 1713222), (180, 1618043), (204, 1427685), (210, 1386894), (238, 1223730), (252, 1155745), (255, 1142148), (306, 951790), (315, 924596), (340, 856611), (357, 815820), (420, 693447), (476, 611865), (510, 571074), (595, 489492), (612, 475895), (630, 462298), (714, 407910), (765, 380716), (1020, 285537), (1071, 271940), (1190, 244746), (1260, 231149), (1428, 203955), (1530, 190358), (1785, 163164), (2142, 135970), (2380, 122373), (3060, 95179), (3570, 81582), (4284, 67985), (5355, 54388), (7140, 40791), (10710, 27194), (13597, 21420)]