27995940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1307}}^1$

素因数の和:1346

約数の個数: 144

約数和(自身を含む): 102840192

約数和(自身を除く): 74844252

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, 1307, 1428, 1530, 1785, 2142, 2380, 2614, 3060, 3570, 3921, 4284, 5228, 5355, 6535, 7140, 7842, 9149, 10710, 11763, 13070, 15684, 18298, 19605, 21420, 22219, 23526, 26140, 27447, 36596, 39210, 44438, 45745, 47052, 54894, 58815, 66657, 78420, 82341, 88876, 91490, 109788, 111095, 117630, 133314, 137235, 155533, 164682, 182980, 199971, 222190, 235260, 266628, 274470, 311066, 329364, 333285, 399942, 411705, 444380, 466599, 548940, 622132, 666570, 777665, 799884, 823410, 933198, 999855, 1333140, 1399797, 1555330, 1646820, 1866396, 1999710, 2332995, 2799594, 3110660, 3999420, 4665990, 5599188, 6998985, 9331980, 13997970, 27995940]

約数ペア:

[(1, 27995940), (2, 13997970), (3, 9331980), (4, 6998985), (5, 5599188), (6, 4665990), (7, 3999420), (9, 3110660), (10, 2799594), (12, 2332995), (14, 1999710), (15, 1866396), (17, 1646820), (18, 1555330), (20, 1399797), (21, 1333140), (28, 999855), (30, 933198), (34, 823410), (35, 799884), (36, 777665), (42, 666570), (45, 622132), (51, 548940), (60, 466599), (63, 444380), (68, 411705), (70, 399942), (84, 333285), (85, 329364), (90, 311066), (102, 274470), (105, 266628), (119, 235260), (126, 222190), (140, 199971), (153, 182980), (170, 164682), (180, 155533), (204, 137235), (210, 133314), (238, 117630), (252, 111095), (255, 109788), (306, 91490), (315, 88876), (340, 82341), (357, 78420), (420, 66657), (476, 58815), (510, 54894), (595, 47052), (612, 45745), (630, 44438), (714, 39210), (765, 36596), (1020, 27447), (1071, 26140), (1190, 23526), (1260, 22219), (1307, 21420), (1428, 19605), (1530, 18298), (1785, 15684), (2142, 13070), (2380, 11763), (2614, 10710), (3060, 9149), (3570, 7842), (3921, 7140), (4284, 6535), (5228, 5355)]