77668485

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 138240000

約数和(自身を除く): 60571515

約数列:

[1, 3, 5, 15, 19, 31, 57, 59, 93, 95, 149, 155, 177, 285, 295, 447, 465, 589, 745, 885, 1121, 1767, 1829, 2235, 2831, 2945, 3363, 4619, 5487, 5605, 8493, 8791, 8835, 9145, 13857, 14155, 16815, 23095, 26373, 27435, 34751, 42465, 43955, 69285, 87761, 104253, 131865, 167029, 173755, 263283, 272521, 438805, 501087, 521265, 817563, 835145, 1316415, 1362605, 2505435, 4087815, 5177899, 15533697, 25889495, 77668485]

約数ペア:

[(1, 77668485), (3, 25889495), (5, 15533697), (15, 5177899), (19, 4087815), (31, 2505435), (57, 1362605), (59, 1316415), (93, 835145), (95, 817563), (149, 521265), (155, 501087), (177, 438805), (285, 272521), (295, 263283), (447, 173755), (465, 167029), (589, 131865), (745, 104253), (885, 87761), (1121, 69285), (1767, 43955), (1829, 42465), (2235, 34751), (2831, 27435), (2945, 26373), (3363, 23095), (4619, 16815), (5487, 14155), (5605, 13857), (8493, 9145), (8791, 8835)]