78055740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61949}}^1$

素因数の和:61971

約数の個数: 72

約数和(自身を含む): 270597600

約数和(自身を除く): 192541860

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, 61949, 123898, 185847, 247796, 309745, 371694, 433643, 557541, 619490, 743388, 867286, 929235, 1115082, 1238980, 1300929, 1734572, 1858470, 2168215, 2230164, 2601858, 2787705, 3716940, 3902787, 4336430, 5203716, 5575410, 6504645, 7805574, 8672860, 11150820, 13009290, 15611148, 19513935, 26018580, 39027870, 78055740]

約数ペア:

[(1, 78055740), (2, 39027870), (3, 26018580), (4, 19513935), (5, 15611148), (6, 13009290), (7, 11150820), (9, 8672860), (10, 7805574), (12, 6504645), (14, 5575410), (15, 5203716), (18, 4336430), (20, 3902787), (21, 3716940), (28, 2787705), (30, 2601858), (35, 2230164), (36, 2168215), (42, 1858470), (45, 1734572), (60, 1300929), (63, 1238980), (70, 1115082), (84, 929235), (90, 867286), (105, 743388), (126, 619490), (140, 557541), (180, 433643), (210, 371694), (252, 309745), (315, 247796), (420, 185847), (630, 123898), (1260, 61949)]