67686640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:615

約数の個数: 120

約数和(自身を含む): 189309312

約数和(自身を除く): 121622672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 557, 560, 620, 784, 868, 980, 1085, 1114, 1240, 1519, 1736, 1960, 2170, 2228, 2480, 2785, 3038, 3472, 3899, 3920, 4340, 4456, 5570, 6076, 7595, 7798, 8680, 8912, 11140, 12152, 15190, 15596, 17267, 17360, 19495, 22280, 24304, 27293, 30380, 31192, 34534, 38990, 44560, 54586, 60760, 62384, 69068, 77980, 86335, 109172, 120869, 121520, 136465, 138136, 155960, 172670, 218344, 241738, 272930, 276272, 311920, 345340, 436688, 483476, 545860, 604345, 690680, 846083, 966952, 1091720, 1208690, 1381360, 1692166, 1933904, 2183440, 2417380, 3384332, 4230415, 4834760, 6768664, 8460830, 9669520, 13537328, 16921660, 33843320, 67686640]

約数ペア:

[(1, 67686640), (2, 33843320), (4, 16921660), (5, 13537328), (7, 9669520), (8, 8460830), (10, 6768664), (14, 4834760), (16, 4230415), (20, 3384332), (28, 2417380), (31, 2183440), (35, 1933904), (40, 1692166), (49, 1381360), (56, 1208690), (62, 1091720), (70, 966952), (80, 846083), (98, 690680), (112, 604345), (124, 545860), (140, 483476), (155, 436688), (196, 345340), (217, 311920), (245, 276272), (248, 272930), (280, 241738), (310, 218344), (392, 172670), (434, 155960), (490, 138136), (496, 136465), (557, 121520), (560, 120869), (620, 109172), (784, 86335), (868, 77980), (980, 69068), (1085, 62384), (1114, 60760), (1240, 54586), (1519, 44560), (1736, 38990), (1960, 34534), (2170, 31192), (2228, 30380), (2480, 27293), (2785, 24304), (3038, 22280), (3472, 19495), (3899, 17360), (3920, 17267), (4340, 15596), (4456, 15190), (5570, 12152), (6076, 11140), (7595, 8912), (7798, 8680)]