487890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 1411200

約数和(自身を除く): 923310

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 139, 195, 234, 270, 278, 351, 390, 417, 585, 695, 702, 834, 1170, 1251, 1390, 1755, 1807, 2085, 2502, 3510, 3614, 3753, 4170, 5421, 6255, 7506, 9035, 10842, 12510, 16263, 18070, 18765, 27105, 32526, 37530, 48789, 54210, 81315, 97578, 162630, 243945, 487890]

約数ペア:

[(1, 487890), (2, 243945), (3, 162630), (5, 97578), (6, 81315), (9, 54210), (10, 48789), (13, 37530), (15, 32526), (18, 27105), (26, 18765), (27, 18070), (30, 16263), (39, 12510), (45, 10842), (54, 9035), (65, 7506), (78, 6255), (90, 5421), (117, 4170), (130, 3753), (135, 3614), (139, 3510), (195, 2502), (234, 2085), (270, 1807), (278, 1755), (351, 1390), (390, 1251), (417, 1170), (585, 834), (695, 702)]