68740485

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 126074880

約数和(自身を除く): 57334395

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 89, 93, 151, 155, 165, 267, 341, 445, 453, 465, 755, 979, 1023, 1335, 1661, 1705, 2265, 2759, 2937, 4681, 4895, 4983, 5115, 8277, 8305, 13439, 13795, 14043, 14685, 23405, 24915, 30349, 40317, 41385, 51491, 67195, 70215, 91047, 147829, 151745, 154473, 201585, 257455, 416609, 443487, 455235, 739145, 772365, 1249827, 2083045, 2217435, 4582699, 6249135, 13748097, 22913495, 68740485]

約数ペア:

[(1, 68740485), (3, 22913495), (5, 13748097), (11, 6249135), (15, 4582699), (31, 2217435), (33, 2083045), (55, 1249827), (89, 772365), (93, 739145), (151, 455235), (155, 443487), (165, 416609), (267, 257455), (341, 201585), (445, 154473), (453, 151745), (465, 147829), (755, 91047), (979, 70215), (1023, 67195), (1335, 51491), (1661, 41385), (1705, 40317), (2265, 30349), (2759, 24915), (2937, 23405), (4681, 14685), (4895, 14043), (4983, 13795), (5115, 13439), (8277, 8305)]