138470940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:732

約数の個数: 144

約数和(自身を含む): 445798080

約数和(自身を除く): 307327140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 41, 45, 58, 60, 82, 87, 90, 116, 123, 145, 164, 174, 180, 205, 246, 261, 290, 348, 369, 410, 435, 492, 522, 580, 615, 647, 738, 820, 870, 1044, 1189, 1230, 1294, 1305, 1476, 1740, 1845, 1941, 2378, 2460, 2588, 2610, 3235, 3567, 3690, 3882, 4756, 5220, 5823, 5945, 6470, 7134, 7380, 7764, 9705, 10701, 11646, 11890, 12940, 14268, 17835, 18763, 19410, 21402, 23292, 23780, 26527, 29115, 35670, 37526, 38820, 42804, 53054, 53505, 56289, 58230, 71340, 75052, 79581, 93815, 106108, 107010, 112578, 116460, 132635, 159162, 168867, 187630, 214020, 225156, 238743, 265270, 281445, 318324, 337734, 375260, 397905, 477486, 530540, 562890, 675468, 769283, 795810, 844335, 954972, 1125780, 1193715, 1538566, 1591620, 1688670, 2307849, 2387430, 3077132, 3377340, 3846415, 4615698, 4774860, 6923547, 7692830, 9231396, 11539245, 13847094, 15385660, 23078490, 27694188, 34617735, 46156980, 69235470, 138470940]

約数ペア:

[(1, 138470940), (2, 69235470), (3, 46156980), (4, 34617735), (5, 27694188), (6, 23078490), (9, 15385660), (10, 13847094), (12, 11539245), (15, 9231396), (18, 7692830), (20, 6923547), (29, 4774860), (30, 4615698), (36, 3846415), (41, 3377340), (45, 3077132), (58, 2387430), (60, 2307849), (82, 1688670), (87, 1591620), (90, 1538566), (116, 1193715), (123, 1125780), (145, 954972), (164, 844335), (174, 795810), (180, 769283), (205, 675468), (246, 562890), (261, 530540), (290, 477486), (348, 397905), (369, 375260), (410, 337734), (435, 318324), (492, 281445), (522, 265270), (580, 238743), (615, 225156), (647, 214020), (738, 187630), (820, 168867), (870, 159162), (1044, 132635), (1189, 116460), (1230, 112578), (1294, 107010), (1305, 106108), (1476, 93815), (1740, 79581), (1845, 75052), (1941, 71340), (2378, 58230), (2460, 56289), (2588, 53505), (2610, 53054), (3235, 42804), (3567, 38820), (3690, 37526), (3882, 35670), (4756, 29115), (5220, 26527), (5823, 23780), (5945, 23292), (6470, 21402), (7134, 19410), (7380, 18763), (7764, 17835), (9705, 14268), (10701, 12940), (11646, 11890)]