7880895

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:118

約数の個数: 80

約数和(自身を含む): 16204320

約数和(自身を除く): 8323425

約数列:

[1, 3, 5, 9, 11, 15, 27, 29, 33, 45, 55, 61, 81, 87, 99, 135, 145, 165, 183, 261, 297, 305, 319, 405, 435, 495, 549, 671, 783, 891, 915, 957, 1305, 1485, 1595, 1647, 1769, 2013, 2349, 2745, 2871, 3355, 3915, 4455, 4785, 4941, 5307, 6039, 8235, 8613, 8845, 10065, 11745, 14355, 15921, 18117, 19459, 24705, 25839, 26535, 30195, 43065, 47763, 54351, 58377, 79605, 90585, 97295, 129195, 143289, 175131, 238815, 271755, 291885, 525393, 716445, 875655, 1576179, 2626965, 7880895]

約数ペア:

[(1, 7880895), (3, 2626965), (5, 1576179), (9, 875655), (11, 716445), (15, 525393), (27, 291885), (29, 271755), (33, 238815), (45, 175131), (55, 143289), (61, 129195), (81, 97295), (87, 90585), (99, 79605), (135, 58377), (145, 54351), (165, 47763), (183, 43065), (261, 30195), (297, 26535), (305, 25839), (319, 24705), (405, 19459), (435, 18117), (495, 15921), (549, 14355), (671, 11745), (783, 10065), (891, 8845), (915, 8613), (957, 8235), (1305, 6039), (1485, 5307), (1595, 4941), (1647, 4785), (1769, 4455), (2013, 3915), (2349, 3355), (2745, 2871)]