1520348415

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 2588931072

約数和(自身を除く): 1068582657

約数列:

[1, 3, 5, 15, 23, 69, 97, 115, 181, 251, 291, 345, 485, 543, 753, 905, 1255, 1455, 2231, 2715, 3765, 4163, 5773, 6693, 11155, 12489, 17319, 17557, 20815, 24347, 28865, 33465, 45431, 52671, 62445, 73041, 86595, 87785, 121735, 136293, 227155, 263355, 365205, 403811, 559981, 681465, 1044913, 1211433, 1679943, 2019055, 2799905, 3134739, 4406807, 5224565, 6057165, 8399715, 13220421, 15673695, 22034035, 66102105, 101356561, 304069683, 506782805, 1520348415]

約数ペア:

[(1, 1520348415), (3, 506782805), (5, 304069683), (15, 101356561), (23, 66102105), (69, 22034035), (97, 15673695), (115, 13220421), (181, 8399715), (251, 6057165), (291, 5224565), (345, 4406807), (485, 3134739), (543, 2799905), (753, 2019055), (905, 1679943), (1255, 1211433), (1455, 1044913), (2231, 681465), (2715, 559981), (3765, 403811), (4163, 365205), (5773, 263355), (6693, 227155), (11155, 136293), (12489, 121735), (17319, 87785), (17557, 86595), (20815, 73041), (24347, 62445), (28865, 52671), (33465, 45431)]