309322920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:647

約数の個数: 128

約数和(自身を含む): 955699200

約数和(自身を除く): 646376280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 79, 120, 134, 158, 201, 237, 268, 316, 335, 395, 402, 474, 487, 536, 632, 670, 790, 804, 948, 974, 1005, 1185, 1340, 1461, 1580, 1608, 1896, 1948, 2010, 2370, 2435, 2680, 2922, 3160, 3896, 4020, 4740, 4870, 5293, 5844, 7305, 8040, 9480, 9740, 10586, 11688, 14610, 15879, 19480, 21172, 26465, 29220, 31758, 32629, 38473, 42344, 52930, 58440, 63516, 65258, 76946, 79395, 97887, 105860, 115419, 127032, 130516, 153892, 158790, 163145, 192365, 195774, 211720, 230838, 261032, 307784, 317580, 326290, 384730, 391548, 461676, 489435, 577095, 635160, 652580, 769460, 783096, 923352, 978870, 1154190, 1305160, 1538920, 1957740, 2308380, 2577691, 3915480, 4616760, 5155382, 7733073, 10310764, 12888455, 15466146, 20621528, 25776910, 30932292, 38665365, 51553820, 61864584, 77330730, 103107640, 154661460, 309322920]

約数ペア:

[(1, 309322920), (2, 154661460), (3, 103107640), (4, 77330730), (5, 61864584), (6, 51553820), (8, 38665365), (10, 30932292), (12, 25776910), (15, 20621528), (20, 15466146), (24, 12888455), (30, 10310764), (40, 7733073), (60, 5155382), (67, 4616760), (79, 3915480), (120, 2577691), (134, 2308380), (158, 1957740), (201, 1538920), (237, 1305160), (268, 1154190), (316, 978870), (335, 923352), (395, 783096), (402, 769460), (474, 652580), (487, 635160), (536, 577095), (632, 489435), (670, 461676), (790, 391548), (804, 384730), (948, 326290), (974, 317580), (1005, 307784), (1185, 261032), (1340, 230838), (1461, 211720), (1580, 195774), (1608, 192365), (1896, 163145), (1948, 158790), (2010, 153892), (2370, 130516), (2435, 127032), (2680, 115419), (2922, 105860), (3160, 97887), (3896, 79395), (4020, 76946), (4740, 65258), (4870, 63516), (5293, 58440), (5844, 52930), (7305, 42344), (8040, 38473), (9480, 32629), (9740, 31758), (10586, 29220), (11688, 26465), (14610, 21172), (15879, 19480)]