80380728

素因数分解:

$2^3\times 3^3\times {\mathrm{197}}^1\times {\mathrm{1889}}^1$

素因数の和:2101

約数の個数: 64

約数和(自身を含む): 224532000

約数和(自身を除く): 144151272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 197, 216, 394, 591, 788, 1182, 1576, 1773, 1889, 2364, 3546, 3778, 4728, 5319, 5667, 7092, 7556, 10638, 11334, 14184, 15112, 17001, 21276, 22668, 34002, 42552, 45336, 51003, 68004, 102006, 136008, 204012, 372133, 408024, 744266, 1116399, 1488532, 2232798, 2977064, 3349197, 4465596, 6698394, 8931192, 10047591, 13396788, 20095182, 26793576, 40190364, 80380728]

約数ペア:

[(1, 80380728), (2, 40190364), (3, 26793576), (4, 20095182), (6, 13396788), (8, 10047591), (9, 8931192), (12, 6698394), (18, 4465596), (24, 3349197), (27, 2977064), (36, 2232798), (54, 1488532), (72, 1116399), (108, 744266), (197, 408024), (216, 372133), (394, 204012), (591, 136008), (788, 102006), (1182, 68004), (1576, 51003), (1773, 45336), (1889, 42552), (2364, 34002), (3546, 22668), (3778, 21276), (4728, 17001), (5319, 15112), (5667, 14184), (7092, 11334), (7556, 10638)]