649890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:128

約数の個数: 64

約数和(自身を含む): 1814400

約数和(自身を除く): 1164510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 83, 87, 90, 135, 145, 166, 174, 249, 261, 270, 290, 415, 435, 498, 522, 747, 783, 830, 870, 1245, 1305, 1494, 1566, 2241, 2407, 2490, 2610, 3735, 3915, 4482, 4814, 7221, 7470, 7830, 11205, 12035, 14442, 21663, 22410, 24070, 36105, 43326, 64989, 72210, 108315, 129978, 216630, 324945, 649890]

約数ペア:

[(1, 649890), (2, 324945), (3, 216630), (5, 129978), (6, 108315), (9, 72210), (10, 64989), (15, 43326), (18, 36105), (27, 24070), (29, 22410), (30, 21663), (45, 14442), (54, 12035), (58, 11205), (83, 7830), (87, 7470), (90, 7221), (135, 4814), (145, 4482), (166, 3915), (174, 3735), (249, 2610), (261, 2490), (270, 2407), (290, 2241), (415, 1566), (435, 1494), (498, 1305), (522, 1245), (747, 870), (783, 830)]