78283890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12251}}^1$

素因数の和:12335

約数の個数: 48

約数和(自身を含む): 206421696

約数和(自身を除く): 128137806

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 6390, 12251, 24502, 36753, 61255, 73506, 110259, 122510, 183765, 220518, 367530, 551295, 869821, 1102590, 1739642, 2609463, 4349105, 5218926, 7828389, 8698210, 13047315, 15656778, 26094630, 39141945, 78283890]

約数ペア:

[(1, 78283890), (2, 39141945), (3, 26094630), (5, 15656778), (6, 13047315), (9, 8698210), (10, 7828389), (15, 5218926), (18, 4349105), (30, 2609463), (45, 1739642), (71, 1102590), (90, 869821), (142, 551295), (213, 367530), (355, 220518), (426, 183765), (639, 122510), (710, 110259), (1065, 73506), (1278, 61255), (2130, 36753), (3195, 24502), (6390, 12251)]