81270756

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{193}}^1\times {\mathrm{557}}^1$

素因数の和:770

約数の個数: 96

約数和(自身を含む): 242484480

約数和(自身を除く): 161213724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 193, 252, 378, 386, 557, 579, 756, 772, 1114, 1158, 1351, 1671, 1737, 2228, 2316, 2702, 3342, 3474, 3899, 4053, 5013, 5211, 5404, 6684, 6948, 7798, 8106, 10026, 10422, 11697, 12159, 15039, 15596, 16212, 20052, 20844, 23394, 24318, 30078, 35091, 36477, 46788, 48636, 60156, 70182, 72954, 105273, 107501, 140364, 145908, 210546, 215002, 322503, 421092, 430004, 645006, 752507, 967509, 1290012, 1505014, 1935018, 2257521, 2902527, 3010028, 3870036, 4515042, 5805054, 6772563, 9030084, 11610108, 13545126, 20317689, 27090252, 40635378, 81270756]

約数ペア:

[(1, 81270756), (2, 40635378), (3, 27090252), (4, 20317689), (6, 13545126), (7, 11610108), (9, 9030084), (12, 6772563), (14, 5805054), (18, 4515042), (21, 3870036), (27, 3010028), (28, 2902527), (36, 2257521), (42, 1935018), (54, 1505014), (63, 1290012), (84, 967509), (108, 752507), (126, 645006), (189, 430004), (193, 421092), (252, 322503), (378, 215002), (386, 210546), (557, 145908), (579, 140364), (756, 107501), (772, 105273), (1114, 72954), (1158, 70182), (1351, 60156), (1671, 48636), (1737, 46788), (2228, 36477), (2316, 35091), (2702, 30078), (3342, 24318), (3474, 23394), (3899, 20844), (4053, 20052), (5013, 16212), (5211, 15596), (5404, 15039), (6684, 12159), (6948, 11697), (7798, 10422), (8106, 10026)]