72878715

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^2$

素因数の和:118

約数の個数: 108

約数和(自身を含む): 160668144

約数和(自身を除く): 87789429

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 37, 39, 45, 63, 65, 91, 105, 111, 117, 169, 185, 195, 259, 273, 315, 333, 455, 481, 507, 555, 585, 777, 819, 845, 1183, 1295, 1365, 1369, 1443, 1521, 1665, 2331, 2405, 2535, 3367, 3549, 3885, 4095, 4107, 4329, 5915, 6253, 6845, 7215, 7605, 9583, 10101, 10647, 11655, 12321, 16835, 17745, 17797, 18759, 20535, 21645, 28749, 30303, 31265, 43771, 47915, 50505, 53235, 53391, 56277, 61605, 86247, 88985, 93795, 124579, 131313, 143745, 151515, 160173, 218855, 231361, 266955, 281385, 373737, 393939, 431235, 622895, 656565, 694083, 800865, 1121211, 1156805, 1619527, 1868685, 1969695, 2082249, 3470415, 4858581, 5606055, 8097635, 10411245, 14575743, 24292905, 72878715]

約数ペア:

[(1, 72878715), (3, 24292905), (5, 14575743), (7, 10411245), (9, 8097635), (13, 5606055), (15, 4858581), (21, 3470415), (35, 2082249), (37, 1969695), (39, 1868685), (45, 1619527), (63, 1156805), (65, 1121211), (91, 800865), (105, 694083), (111, 656565), (117, 622895), (169, 431235), (185, 393939), (195, 373737), (259, 281385), (273, 266955), (315, 231361), (333, 218855), (455, 160173), (481, 151515), (507, 143745), (555, 131313), (585, 124579), (777, 93795), (819, 88985), (845, 86247), (1183, 61605), (1295, 56277), (1365, 53391), (1369, 53235), (1443, 50505), (1521, 47915), (1665, 43771), (2331, 31265), (2405, 30303), (2535, 28749), (3367, 21645), (3549, 20535), (3885, 18759), (4095, 17797), (4107, 17745), (4329, 16835), (5915, 12321), (6253, 11655), (6845, 10647), (7215, 10101), (7605, 9583)]